@article{SM_1992_73_1_a4, author = {B. V. Loginov and N. A. Sidorov}, title = {Group symmetry of the {Lyapunov--Schmidt} branching equation and iterative methods in the problem of a~bifurcation point}, journal = {Sbornik. Mathematics}, pages = {67--77}, publisher = {mathdoc}, volume = {73}, number = {1}, year = {1992}, language = {en}, url = {http://geodesic.mathdoc.fr/item/SM_1992_73_1_a4/} }