TY - JOUR AU - A. Yanushauskas TI - On a three-dimensional analog of Beltrami's system JO - Doklady Akademii Nauk PY - 1978 SP - 592 EP - 595 VL - 243 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1978_243_3_a10/ LA - ru ID - DAN_1978_243_3_a10 ER -