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@article{PIM_1976_N_S_20_34_a8, author = {Stefan Czerwik}, title = {On {Some} {Functional-Differential} {Equations}}, journal = {Publications de l'Institut Math\'ematique}, pages = {67 }, publisher = {mathdoc}, volume = {_N_S_20}, number = {34}, year = {1976}, url = {http://geodesic.mathdoc.fr/item/PIM_1976_N_S_20_34_a8/} }
Stefan Czerwik. On Some Functional-Differential Equations. Publications de l'Institut Mathématique, _N_S_20 (1976) no. 34, p. 67 . http://geodesic.mathdoc.fr/item/PIM_1976_N_S_20_34_a8/