@article{MT_2018_21_1_a0,
     author = {L. N. Bondar'},
     title = {Necessary conditions for the solvability of one class of boundary value problems for quasielliptic systems},
     journal = {Matemati\v{c}eskie trudy},
     pages = {3--16},
     publisher = {mathdoc},
     volume = {21},
     number = {1},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_2018_21_1_a0/}
}