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@article{PIM_1990_N_S_47_61_a11, author = {Ljubomir \'Ciri\'c}, title = {Fixed {Point} {Theorems} in {Banach} {Spaces}}, journal = {Publications de l'Institut Math\'ematique}, pages = {85 }, publisher = {mathdoc}, volume = {_N_S_47}, number = {61}, year = {1990}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PIM_1990_N_S_47_61_a11/} }
Ljubomir Ćirić. Fixed Point Theorems in Banach Spaces. Publications de l'Institut Mathématique, _N_S_47 (1990) no. 61, p. 85 . http://geodesic.mathdoc.fr/item/PIM_1990_N_S_47_61_a11/