%0 Journal Article %A A. L. Ageev %A T. V. Antonova %T On ill-posed problems of localization of singularities %J Trudy Instituta matematiki i mehaniki %D 2011 %P 30-45 %V 17 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2011_17_3_a5/ %G ru %F TIMM_2011_17_3_a5