@article{DE_1994_30_12_a17,
     author = {A. A. Murach},
     title = {Nonlocal elliptic boundary value problems for systems of {Douglis--Nirenberg} type},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2180--2182},
     publisher = {mathdoc},
     volume = {30},
     number = {12},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1994_30_12_a17/}
}