Covariant canonical quantization of the Green-Schwarz superstring E Nissimov, S Pacheva, S Solomon Nuclear Physics B 297 (2), 349-373, 1988 | 125 | 1988 |

Covariant first and second quantization of the< i> N</i>= 2,< i> D</i>= 10 Brink-Schwarz superparticle E Nissimov, S Pacheva, S Solomon Nuclear Physics B 296 (2), 462-492, 1988 | 120 | 1988 |

Emergent cosmology, inflation and dark energy E Guendelman, R Herrera, P Labrana, E Nissimov, S Pacheva General Relativity and Gravitation 47, 1-26, 2015 | 90 | 2015 |

String and brane models with spontaneously or dynamically induced tension EI Guendelman, A Kaganovich, E Nissimov, S Pacheva Physical Review D 66 (4), 046003, 2002 | 88 | 2002 |

Constrained KP hierarchies: additional symmetries, Darboux–Bäcklund solutions and relations to multi-matrix models H Aratyn, E Nissimov, S Pacheva International Journal of Modern Physics A 12 (7), 1265-1340, 1997 | 70 | 1997 |

Method of squared eigenfunction potentials in integrable hierarchies of KP type H Aratyn, E Nissimov, S Pacheva Communications in mathematical physics 193 (3), 493-525, 1998 | 68 | 1998 |

Symplectic actions on coadjoint orbits H Aratyn, E Nissimov, S Pacheva, AH Zimerman Physics Letters B 240 (1), 127-132, 1990 | 63 | 1990 |

Unified dark energy and dust dark matter dual to quadratic purely kinetic K-essence E Guendelman, E Nissimov, S Pacheva The European Physical Journal C 76, 1-12, 2016 | 61 | 2016 |

Quantization of N= 1, 2 superparticle with irreducible constraints ER Nissimov, SJ Pacheva Physics Letters B 189 (1-2), 57-62, 1987 | 58 | 1987 |

BPHZL renormalization of 1/*N* expansion and critical behaviour of the three-dimensional chiral fieldIY Aref'eva, ER Nissimov, SJ Pacheva Communications in Mathematical Physics 71, 213-246, 1980 | 53 | 1980 |

Virasoro symmetry of constrained KP hierarchies H Aratyn, E Nissimov, S Pacheva Physics Letters A 228 (3), 164-175, 1997 | 52 | 1997 |

Dark energy and dark matter from hidden symmetry of gravity model with a non-Riemannian volume form E Guendelman, E Nissimov, S Pacheva The European Physical Journal C 75, 1-8, 2015 | 51 | 2015 |

Covariant unconstrained superfield action for the linearized< i> D</i>= 10 super-Yang-Mills theory E Nissimov, S Pacheva, S Solomon Nuclear Physics B 299 (1), 183-205, 1988 | 49 | 1988 |

Supersymmetric Kadomtsev–Petviashvili hierarchy:“ghost” symmetry structure, reductions, and Darboux–Bäcklund solutions H Aratyn, E Nissimov, S Pacheva Journal of Mathematical Physics 40, 2922, 1999 | 46 | 1999 |

< i> R</i>-matrix formulation of KP hierarchies and their gauge equivalence H Aratyn, E Nissimov, S Pacheva, I Vaysburd Physics Letters B 294 (2), 167-176, 1992 | 42 | 1992 |

Off-shell superspace< i> D</i>= 10 super-Yang-Mills from a covariantly quantized Green-Schwarz superstring E Nissimov, S Pacheva, S Solomon Nuclear Physics B 317 (2), 344-394, 1989 | 41 | 1989 |

Weyl-conformally-invariant lightlike -brane theories: New aspects in black hole physics and Kaluza-Klein dynamics EI Guendelman, A Kaganovich, E Nissimov, S Pacheva Physical Review D—Particles, Fields, Gravitation, and Cosmology 72 (8), 086011, 2005 | 40 | 2005 |

Volume-preserving diffeomorphisms' versus local gauge symmetry EI Guendelman, E Nissimov, S Pacheva Physics Letters B 360 (1), 57-64, 1995 | 37 | 1995 |

Construction of KP hierarchies in terms of finite number of fields and their Abelianization H Aratyn, E Nissimov, S Pacheva Physics Letters B 314 (1), 41-51, 1993 | 37 | 1993 |

Quintessential inflation, unified dark energy and dark matter, and higgs mechanism E Guendelman, E Nissimov, S Pacheva arXiv preprint arXiv:1609.06915, 2016 | 34 | 2016 |