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@article{DE_1998_34_11_a10, author = {A. V. Pukhlikov}, title = {Optimal bilinear systems on a plane}, journal = {Differencialʹnye uravneni\^a}, pages = {1516--1520}, publisher = {mathdoc}, volume = {34}, number = {11}, year = {1998}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1998_34_11_a10/} }
A. V. Pukhlikov. Optimal bilinear systems on a plane. Differencialʹnye uravneniâ, Tome 34 (1998) no. 11, pp. 1516-1520. http://geodesic.mathdoc.fr/item/DE_1998_34_11_a10/