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@article{DAN_1976_229_4_a9, author = {V. A. Yakubovich}, title = {Some variants of the abstract maximum principle}, journal = {Doklady Akademii Nauk}, pages = {816--819}, publisher = {mathdoc}, volume = {229}, number = {4}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1976_229_4_a9/} }
V. A. Yakubovich. Some variants of the abstract maximum principle. Doklady Akademii Nauk, Tome 229 (1976) no. 4, pp. 816-819. http://geodesic.mathdoc.fr/item/DAN_1976_229_4_a9/