Media type: E-Article Title: Variations on a theorem of lusternik and schnirelmann Contributor: Aarts, Jan M; Fokkink, Robbert J; Vermeer, Hans Published: Elsevier BV, 1996 Published in: Topology, 35 (1996) 4, Seite 1051-1056 Language: English DOI: 10.1016/0040-9383(95)00057-7 ISSN: 0040-9383 Keywords: Geometry and Topology Origination: Footnote: Access State: Open Access