TY - JOUR AU - V. V. Kravtsov TI - On the problem of being a basis property, for a system of metaharmonic functions in $L_2$ JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1980 SP - 778 EP - 781 VL - 20 IS - 3 UR - http://geodesic.mathdoc.fr/item/ZVMMF_1980_20_3_a27/ LA - ru ID - ZVMMF_1980_20_3_a27 ER -