Siberian Mathematical Journal

, Volume 35, Issue 3, pp 577–579 | Cite as

A homotopic analog of Helly's theorem and the existence of quasi-invariant points

  • Yu. G. Nikonorov


Homotopic Analog 
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  1. 1.
    S. M. Ulam, A Collection of Mathematical Problems [Russian translation], Nauka, Moscow (1964).Google Scholar
  2. 2.
    L. A. Lyusternik and V. I. Sobolev, Elements of Functional Analysis [in Russian], Nauka, Moscow (1965).Google Scholar

Copyright information

© Plenum Publishing Corporation 1994

Authors and Affiliations

  • Yu. G. Nikonorov
    • 1
  1. 1.Novosibirsk

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