@article{DE_1968_4_12_a1, author = {N. N. Krasovskii and A. I. Subbotin}, title = {Optimal deviation in a differential game}, journal = {Differencialʹnye uravneni\^a}, pages = {2159--2165}, publisher = {mathdoc}, volume = {4}, number = {12}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1968_4_12_a1/} }