@article{DE_1988_24_8_a12,
     author = {V. V. Marinets},
     title = {Some problems for systems of nonlinear partial differential equations with nonlocal boundary conditions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1393--1397},
     year = {1988},
     volume = {24},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1988_24_8_a12/}
}