@article{IVM_1958_3_a19,
     author = {D. F. Mel'nik},
     title = {Theorems of {Liouville} type for certain elliptic systems of differential equations},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {163--171},
     publisher = {mathdoc},
     number = {3},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1958_3_a19/}
}