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@article{DAN_1964_156_2_a11, author = {V. A. Yakubovich}, title = {Solution of certain matrix inequalities encountered in non-linear control theory}, journal = {Doklady Akademii Nauk}, pages = {278--281}, publisher = {mathdoc}, volume = {156}, number = {2}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1964_156_2_a11/} }
V. A. Yakubovich. Solution of certain matrix inequalities encountered in non-linear control theory. Doklady Akademii Nauk, Tome 156 (1964) no. 2, pp. 278-281. http://geodesic.mathdoc.fr/item/DAN_1964_156_2_a11/