%0 Journal Article %A T. I. Akhobadze %T Functions of bounded generalized second variation %J Sbornik. Mathematics %D 1980 %P 261-294 %V 37 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1980_37_2_a6/ %G en %F SM_1980_37_2_a6