%0 Journal Article %A A. L. Likhtarnikov %T Absolute stability criteria for nonlinear operator equations %J Izvestiya. Mathematics %D 1977 %P 1011-1029 %V 11 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1977_11_5_a5/ %G en %F IM2_1977_11_5_a5