%0 Journal Article %A A. L. Ageev %A T. V. Antonova %T On the problem of global localization of discontinuity lines for a function of two variables %J Trudy Instituta matematiki i mehaniki %D 2018 %P 12-23 %V 24 %N 2 %U http://geodesic.mathdoc.fr/item/TIMM_2018_24_2_a1/ %G ru %F TIMM_2018_24_2_a1