TY - JOUR AU - M. Yu. Balakhnev TI - Integrable Vector Isotropic Equations Admitting Differential Substitutions of First Order JO - Matematičeskie zametki PY - 2013 SP - 323 EP - 330 VL - 94 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2013_94_3_a0/ LA - ru ID - MZM_2013_94_3_a0 ER -