@article{ZVMMF_1980_20_3_a27,
     author = {V. V. Kravtsov},
     title = {On the problem of being a basis property, for a system of metaharmonic functions in $L_2$},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {778--781},
     publisher = {mathdoc},
     volume = {20},
     number = {3},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1980_20_3_a27/}
}