Classification of Morse-Smale flows on two-dimensional manifolds AA Oshemkov, VV Sharko Sbornik: Mathematics 189 (8), 1205, 1998 | 102 | 1998 |

Functions on manifolds: algebraic and topological aspects VV Sharko American Mathematical Society, 1993 | 99 | 1993 |

About Kronrod-Reeb graph of a function on a manifold VV Sharko Methods of Functional Analysis and Topology 12 (04), 389-396, 2006 | 61 | 2006 |

Smooth and Topological Equivalence of Functions on Surfaces. VV Sharko Ukrainian mathematical journal 55 (5), 2003 | 60 | 2003 |

Round Morse functions and isoenergy surfaces of integrable Hamiltonian systems SV Matveev, AT Fomenko, VV Sharko Mathematics of the USSR-Sbornik 63 (2), 319, 1989 | 41 | 1989 |

Functions on surfaces. I VV Sharko Proceedings of Institute of Mathematics of Ukrainian National Academy of …, 1998 | 27 | 1998 |

On topological equivalence Morse functions on surfaces VV Sharko International Conference at Chelyabinsk State University, Low-Dimensional …, 1996 | 22 | 1996 |

On classification of flows on manifolds. I AV Bolsinov, AA Oshemkov, VV Sharko Methods of Functional Analysis and Topology 2 (02), 51-60, 1996 | 17 | 1996 |

Smooth and topological equivalency of functions on surfaces VV Sharko Ukrainskij Matematiceskij Zurnal 55 (5), 687-700, 2003 | 12 | 2003 |

Topological equivalence to a projection V Sharko, Y Soroka arXiv preprint arXiv:1607.04093, 2016 | 11 | 2016 |

Smooth functions on non-compact surfaces VV Sharko Pr. Inst. Mat. Nats. Akad. Nauk Ukr. Mat. Zastos 3 (3), 443-473, 2006 | 11 | 2006 |

New *L* ^{2}-invariants of Chain Complexes and ApplicationsVV Sharko C*-algebras and Elliptic Theory, 291-312, 2006 | 8 | 2006 |

K-theory and Morse theory VV Sharko Preprint, 1986 | 8 | 1986 |

Minimal morse functions VV Sharko Global Analysis—Studies and Applications I, 218-234, 2006 | 7 | 2006 |

Stable algebra in Morse theory VV Sharko Mathematics of the USSR-Izvestiya 36 (3), 629, 1991 | 6 | 1991 |

O klassifikatsii potokov Morsa—Smeyla na dvumernykh mnogoobraziyakh AA Oshemkov, VV Sharko On classification of Morse–Smale flows on two-dimensional manifolds], Mat …, 0 | 6 | |

Minimal resolvents and Morse functions VV Sharko Trudy Matematicheskogo Instituta imeni VA Steklova 154, 306-311, 1983 | 5 | 1983 |

Exact Morse functions on simply connected manifolds with not simply connected boundary VV Sharko Usp. Mat. Nauk 36 (5), 205-206, 1981 | 5 | 1981 |

On smooth functions on manifolds VV Sharko Preprint IM-79-22 Kiev, Institut matematiki AN Ukr. SSR, 1979 | 5 | 1979 |

Exact round Morse functions, inequalities of Morse type and integrals of Hamiltonian systems AT Fomenko, VV Sharko Global Analysis-Studies and Applications IV, 51-67, 2006 | 4 | 2006 |