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@article{MZM_1993_53_3_a16, author = {G. I. Aslanov}, title = {Differential equations with operator coefficients in {Hilbert} spaces}, journal = {Matemati\v{c}eskie zametki}, pages = {153--155}, publisher = {mathdoc}, volume = {53}, number = {3}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1993_53_3_a16/} }
G. I. Aslanov. Differential equations with operator coefficients in Hilbert spaces. Matematičeskie zametki, Tome 53 (1993) no. 3, pp. 153-155. http://geodesic.mathdoc.fr/item/MZM_1993_53_3_a16/