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@article{DE_1967_3_7_a7, author = {N. G. Bulgakov}, title = {A question on rough systems with aftereffect}, journal = {Differencialʹnye uravneni\^a}, pages = {1095--1099}, publisher = {mathdoc}, volume = {3}, number = {7}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1967_3_7_a7/} }
N. G. Bulgakov. A question on rough systems with aftereffect. Differencialʹnye uravneniâ, Tome 3 (1967) no. 7, pp. 1095-1099. http://geodesic.mathdoc.fr/item/DE_1967_3_7_a7/