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@article{PIM_1983_N_S_34_48_a34, author = {V. Totik}, title = {On two {Open} {Problems} of {Contractive} {Mappings}}, journal = {Publications de l'Institut Math\'ematique}, pages = {239 }, publisher = {mathdoc}, volume = {_N_S_34}, number = {48}, year = {1983}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PIM_1983_N_S_34_48_a34/} }
V. Totik. On two Open Problems of Contractive Mappings. Publications de l'Institut Mathématique, _N_S_34 (1983) no. 48, p. 239 . http://geodesic.mathdoc.fr/item/PIM_1983_N_S_34_48_a34/