%0 Journal Article %A A. S. Leonov %T Higher-order total variations for functions of several variables and their application in the theory of ill-posed problems %J Trudy Instituta matematiki i mehaniki %D 2012 %P 198-212 %V 18 %N 1 %U http://geodesic.mathdoc.fr/item/TIMM_2012_18_1_a14/ %G ru %F TIMM_2012_18_1_a14