Convexity of balls and fixed-point theorems for mappings with nonexpansive square
Compositio Mathematica, Tome 22 (1970) no. 3, pp. 269-274
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@article{CM_1970__22_3_269_0,
author = {Goebel, K.},
title = {Convexity of balls and fixed-point theorems for mappings with nonexpansive square},
journal = {Compositio Mathematica},
pages = {269--274},
year = {1970},
publisher = {Wolters-Noordhoff Publishing},
volume = {22},
number = {3},
mrnumber = {273477},
zbl = {0202.12802},
language = {en},
url = {http://geodesic.mathdoc.fr/item/CM_1970__22_3_269_0/}
}
TY - JOUR AU - Goebel, K. TI - Convexity of balls and fixed-point theorems for mappings with nonexpansive square JO - Compositio Mathematica PY - 1970 SP - 269 EP - 274 VL - 22 IS - 3 PB - Wolters-Noordhoff Publishing UR - http://geodesic.mathdoc.fr/item/CM_1970__22_3_269_0/ LA - en ID - CM_1970__22_3_269_0 ER -
Goebel, K. Convexity of balls and fixed-point theorems for mappings with nonexpansive square. Compositio Mathematica, Tome 22 (1970) no. 3, pp. 269-274. http://geodesic.mathdoc.fr/item/CM_1970__22_3_269_0/
