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@article{PIM_1991_N_S_49_63_a23, author = {Ljubomir B. \'Ciri\'c}, title = {On {A} {Common} {Fixed} {Point} {Theorem} {Of} {A} {Gregu\v{s}} {Type}}, journal = {Publications de l'Institut Math\'ematique}, pages = {174 }, publisher = {mathdoc}, volume = {_N_S_49}, number = {63}, year = {1991}, url = {http://geodesic.mathdoc.fr/item/PIM_1991_N_S_49_63_a23/} }
Ljubomir B. Ćirić. On A Common Fixed Point Theorem Of A Greguš Type. Publications de l'Institut Mathématique, _N_S_49 (1991) no. 63, p. 174 . http://geodesic.mathdoc.fr/item/PIM_1991_N_S_49_63_a23/