%0 Journal Article %A V. N. Solev %T On a condition of local regularity %J Zapiski Nauchnykh Seminarov POMI %D 1992 %P 141-149 %V 194 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1992_194_a17/ %G ru %F ZNSL_1992_194_a17