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@article{DE_1974_10_10_a17, author = {M. L. Gusakova}, title = {On the necessary optimality conditions for systems of neutral type}, journal = {Differencialʹnye uravneni\^a}, pages = {1894--1897}, publisher = {mathdoc}, volume = {10}, number = {10}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1974_10_10_a17/} }
M. L. Gusakova. On the necessary optimality conditions for systems of neutral type. Differencialʹnye uravneniâ, Tome 10 (1974) no. 10, pp. 1894-1897. http://geodesic.mathdoc.fr/item/DE_1974_10_10_a17/