@article{VNGU_2007_7_4_a1,
     author = {L. N. Bondar},
     title = {Solvability conditions of boundary value problems for quasielliptic systems},
     journal = {Sibirskij \v{z}urnal \v{c}istoj i prikladnoj matematiki},
     pages = {9--26},
     publisher = {mathdoc},
     volume = {7},
     number = {4},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VNGU_2007_7_4_a1/}
}