%0 Journal Article %A V. S. Klimov %T On functionals with an infinite number of critical values %J Sbornik. Mathematics %D 1976 %P 91-104 %V 29 %N 1 %U http://geodesic.mathdoc.fr/item/SM_1976_29_1_a6/ %G en %F SM_1976_29_1_a6