Fixed point theorems without convexity
Analyse non convexe (Pau, 1977), Mémoires de la Société Mathématique de France no. 60  (1979), p. 129-152
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     author = {Penot, Jean-Paul},
     title = {Fixed point theorems without convexity},
     booktitle = {Analyse non convexe (Pau, 1977)},
     author = {Collectif},
     series = {M\'emoires de la Soci\'et\'e Math\'ematique de France},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {60},
     year = {1979},
     pages = {129-152},
     zbl = {0454.47044},
     mrnumber = {81c:47061},
     language = {mul},
     url = {http://www.numdam.org/item/MSMF_1979__60__129_0}
}
Penot, Jean-Paul. Fixed point theorems without convexity, in Analyse non convexe (Pau, 1977), Mémoires de la Société Mathématique de France, no. 60 (1979), pp. 129-152. doi : 10.24033/msmf.266. http://www.numdam.org/item/MSMF_1979__60__129_0/

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