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@article{PIM_1977_N_S_21_35_a14, author = {S. A. Husain and V. M. Sehgal}, title = {A {Fixed} {Point} {Theorem} {With} {A} {Functional} {Inequality}}, journal = {Publications de l'Institut Math\'ematique}, pages = {89 }, publisher = {mathdoc}, volume = {_N_S_21}, number = {35}, year = {1977}, url = {http://geodesic.mathdoc.fr/item/PIM_1977_N_S_21_35_a14/} }
S. A. Husain; V. M. Sehgal. A Fixed Point Theorem With A Functional Inequality. Publications de l'Institut Mathématique, _N_S_21 (1977) no. 35, p. 89 . http://geodesic.mathdoc.fr/item/PIM_1977_N_S_21_35_a14/