%0 Journal Article %A È. È. Shnol' %A E. V. Nikolaev %T On the bifurcations of equilibria corresponding to double eigenvalues %J Sbornik. Mathematics %D 1999 %P 1353-1376 %V 190 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1999_190_9_a4/ %G en %F SM_1999_190_9_a4