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@article{PIM_1982_N_S_32_46_a1, author = {A. C. Babu}, title = {A {Converse} {To} {A} {Generalized} {Banach} {Contraction} {Principle}}, journal = {Publications de l'Institut Math\'ematique}, pages = {5 }, publisher = {mathdoc}, volume = {_N_S_32}, number = {46}, year = {1982}, url = {http://geodesic.mathdoc.fr/item/PIM_1982_N_S_32_46_a1/} }
A. C. Babu. A Converse To A Generalized Banach Contraction Principle. Publications de l'Institut Mathématique, _N_S_32 (1982) no. 46, p. 5 . http://geodesic.mathdoc.fr/item/PIM_1982_N_S_32_46_a1/