%0 Journal Article %A A. F. Izmailov %A A. A. Tret'yakov %T Methods for finding singular solutions of nonlinear operator equations in the absence of 2-regularity %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1997 %P 1157-1162 %V 37 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1997_37_10_a1/ %G ru %F ZVMMF_1997_37_10_a1