TY - JOUR AU - B. V. Loginov AU - I. V. Konopleva AU - Y. B. Rousak TI - Implicit operator theorems under group symmetry conditions JO - The Bulletin of Irkutsk State University. Series Mathematics PY - 2011 SP - 31 EP - 43 VL - 4 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IIGUM_2011_4_1_a3/ LA - ru ID - IIGUM_2011_4_1_a3 ER -