%0 Journal Article %A E. I. Orlova %T The symmetry groups of bifurcations of integrable Hamiltonian systems %J Sbornik. Mathematics %D 2014 %P 1668-1682 %V 205 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2014_205_11_a5/ %G en %F SM_2014_205_11_a5