@article{DE_1975_11_10_a4,
     author = {S. Ya. Gorokhovik},
     title = {Necessary optimality conditions in a problem with a movable right hand endpoint of the trajectory},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1765--1773},
     publisher = {mathdoc},
     volume = {11},
     number = {10},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1975_11_10_a4/}
}