TY - JOUR AU - G. M. Arhutik TI - Completely integrable partial differential systems of Riemann and Gauss type JO - Differencialʹnye uravneniâ PY - 1981 SP - 1548 EP - 1561 VL - 17 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1981_17_9_a1/ LA - ru ID - DE_1981_17_9_a1 ER -