@article{DE_1991_27_8_a7,
     author = {E. N. Makhmudov},
     title = {A sufficient condition for optimality for convex differential inclusions with distributed parameters, and duality},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1344--1357},
     publisher = {mathdoc},
     volume = {27},
     number = {8},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1991_27_8_a7/}
}