@article{INTO_1999_65_a1, author = {A. F. Izmailov}, title = {2-regularity and bifurcation theorems}, journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory}, pages = {90--117}, year = {1999}, volume = {65}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/INTO_1999_65_a1/} }