@article{DE_1974_10_1_a14,
     author = {R. S. Saks},
     title = {Boundary value problems for certain systems that can be reduced to elliptic systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {132--142},
     publisher = {mathdoc},
     volume = {10},
     number = {1},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_1_a14/}
}