@article{DE_1978_14_5_a15,
     author = {S. Ya. Gorokhovik},
     title = {High order optimality conditions in a class of problems with constraints on the ends of the trajectories},
     journal = {Differencialʹnye uravneni\^a},
     pages = {908--911},
     publisher = {mathdoc},
     volume = {14},
     number = {5},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1978_14_5_a15/}
}