TY - JOUR AU - A. L. Likhtarnikov TI - Absolute stability criteria for nonlinear operator equations JO - Izvestiya. Mathematics PY - 1977 SP - 1011 EP - 1029 VL - 11 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_1977_11_5_a5/ LA - en ID - IM2_1977_11_5_a5 ER -