Singular quadratic forms in perturbation theory V Koshmanenko Springer Science & Business Media, 2012 | 82 | 2012 |

Square powers of singularly perturbed operators S Albeverio, W Karwowski, V Koshmanenko Mathematische Nachrichten 173 (1), 5-24, 1995 | 57 | 1995 |

Singular bilinear forms in perturbation theory of self-adjoint operators VD Koshmanenko Kiev: Naukova Dumka, 1993 | 48 | 1993 |

Perturbations of self-adjoint operators by singular bilinear forms VD Koshmanenko Ukrainian Mathematical Journal 41 (1), 1-14, 1989 | 47 | 1989 |

Theorem of conflicts for a pair of probability measures V Koshmanenko Mathematical Methods of Operations Research 59 (2), 303-313, 2004 | 46 | 2004 |

On fine structure of singularly continuous probability measures and random variables with independent\wideQ-symbols S Albeverio, V Koshmanenko, M Pratsiovytyi, G Torbin Methods of Functional Analysis and Topology 17 (02), 97-111, 2011 | 43 | 2011 |

Toward the rank-one singular perturbation theory of self-adjoint operators YD Koshmanenko Ukrainian Mathematical Journal 43 (11), 1450-1457, 1991 | 41 | 1991 |

Singular rank one perturbations of self-adjoint operators and Krein theory of self-adjoint extensions S Albeverio, V Koshmanenko Potential Analysis 11 (3), 279-287, 1999 | 34 | 1999 |

Singular operator as a parameter of self-adjoint extensions V Koshmanenko Operator Theory and Related Topics, 205-223, 2000 | 30 | 2000 |

Spectral properties of image measures under the infinite conflict interaction S Albeverio, V Koshmanenko, M Pratsiovytyi, G Torbin Positivity 10 (1), 39-49, 2006 | 29 | 2006 |

Schrödinger operators with a number of negative eigenvalues equal to the number of point interactions S Albeverio, L Nizhnik Methods of Functional Analysis and Topology 9 (04), 273-286, 2003 | 25 | 2003 |

Existence theorems of the ω-limit states for conflict dynamical systems V Koshmanenko Methods of Functional Analysis and Topology 20 (04), 379-390, 2014 | 24 | 2014 |

Fine structure of the singular continuous spectrum S Albeverio, V Koshmanenko, G Torbin Methods of Functional Analysis and Topology 9 (02), 101-119, 2003 | 24 | 2003 |

Spectral properties of image measures after conflict interactions V Koshmanenko, N Kharchenko Theory of Stochastic Processes 10 (26), 3-4, 2004 | 23 | 2004 |

Generalized sum of operators TV Karataeva, VD Koshmanenko Mathematical Notes 66 (5), 556-564, 1999 | 23 | 1999 |

Schrödinger operator perturbed by operators related to null sets W Karwowski, V Koshmanenko, S Ōta Positivity 2 (1), 77-99, 1998 | 23 | 1998 |

The conflict interaction between two complex systems: cyclic migration S Albeverio, V Koshmanenko, I Samoilenko Journal of interdisciplinary mathematics 11 (2), 163-185, 2008 | 22 | 2008 |

On form-sum approximations of singularly perturbed positive self-adjoint operators S Albeverio, V Koshmanenko Journal of Functional Analysis 169 (1), 32-51, 1999 | 22* | 1999 |

On the point spectrum of ℋ_{–2}‐singular perturbationsS Albeverio, M Dudkin, A Konstantinov, V Koshmanenko Mathematische Nachrichten 280 (1‐2), 20-27, 2007 | 21 | 2007 |

Theorem on conflict for a pair of stochastic vectors VD Koshmanenko Ukrains’ kyi Matematychnyi Zhurnal 55 (04), 555-560, 2003 | 21 | 2003 |