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@article{DAN_1966_166_4_a4, author = {Yu. I. Lyubich}, title = {Investigating the deficiency of the abstract {Cauchy} problem}, journal = {Doklady Akademii Nauk}, pages = {783--786}, publisher = {mathdoc}, volume = {166}, number = {4}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1966_166_4_a4/} }
Yu. I. Lyubich. Investigating the deficiency of the abstract Cauchy problem. Doklady Akademii Nauk, Tome 166 (1966) no. 4, pp. 783-786. http://geodesic.mathdoc.fr/item/DAN_1966_166_4_a4/