@article{DE_1972_8_11_a10,
     author = {B. Mordukhovich},
     title = {Existence of optimal controls in a problem with a free right-hand end point},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1994--1998},
     publisher = {mathdoc},
     volume = {8},
     number = {11},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1972_8_11_a10/}
}