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@article{DAN_1974_214_5_a1, author = {I. I. Golichev}, title = {On some differential equations in {Hilbert} space}, journal = {Doklady Akademii Nauk}, pages = {989--992}, publisher = {mathdoc}, volume = {214}, number = {5}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1974_214_5_a1/} }
I. I. Golichev. On some differential equations in Hilbert space. Doklady Akademii Nauk, Tome 214 (1974) no. 5, pp. 989-992. http://geodesic.mathdoc.fr/item/DAN_1974_214_5_a1/