TY - JOUR AU - V. S. Vinogradov TI - An analogue of the Cauchy--Riemann system in four-dimensional space JO - Doklady Akademii Nauk PY - 1964 SP - 16 EP - 19 VL - 154 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1964_154_1_a2/ LA - ru ID - DAN_1964_154_1_a2 ER -