@article{MZM_2018_104_5_a2,
     author = {Yu. A. Bogan},
     title = {The {Dirichlet} {Problem} for an {Elliptic} {System} of {Second-Order} {Equations} with {Constant} {Real} {Coefficients} in the {Plane}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {659--666},
     publisher = {mathdoc},
     volume = {104},
     number = {5},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2018_104_5_a2/}
}