@article{DE_1981_17_2_a13,
     author = {{\CYRA}. {\CYRA}. Makarov},
     title = {Necessary and sufficient conditions for correct solvability of a boundary value problem in a layer for systems of partial differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {320--324},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_2_a13/}
}