%0 Journal Article %A B. V. Loginov %A N. A. Sidorov %T Group symmetry of the Lyapunov--Schmidt branching equation and iterative methods in the problem of a~bifurcation point %J Sbornik. Mathematics %D 1992 %P 67-77 %V 73 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1992_73_1_a4/ %G en %F SM_1992_73_1_a4