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@article{DAN_1969_189_4_a7, author = {L. S. Pontryagin and E. F. Mishchenko}, title = {The problem of the escape of one controlled object from another}, journal = {Doklady Akademii Nauk}, pages = {721--723}, publisher = {mathdoc}, volume = {189}, number = {4}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1969_189_4_a7/} }
L. S. Pontryagin; E. F. Mishchenko. The problem of the escape of one controlled object from another. Doklady Akademii Nauk, Tome 189 (1969) no. 4, pp. 721-723. http://geodesic.mathdoc.fr/item/DAN_1969_189_4_a7/