Abstract
This article has no abstract.
Open Access
Obituary: Mark Alexandrovich Krasnosel'skii (27 April 1920 - 13 February 1997)
Copyright
Copyright © 1997 Hindawi Publishing Corporation. This is an open access article distributed under the
Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.