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@article{DE_1968_4_6_a0, author = {R. Gabasov and F. M. Kirillova}, title = {The maximum principle for {L.} {S.} {Pontrjagin's} extremals}, journal = {Differencialʹnye uravneni\^a}, pages = {963--972}, publisher = {mathdoc}, volume = {4}, number = {6}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1968_4_6_a0/} }
R. Gabasov; F. M. Kirillova. The maximum principle for L. S. Pontrjagin's extremals. Differencialʹnye uravneniâ, Tome 4 (1968) no. 6, pp. 963-972. http://geodesic.mathdoc.fr/item/DE_1968_4_6_a0/