%0 Journal Article %A N. N. Ural'tseva %T Contact of a~free boundary with a~fixed boundary %J Sbornik. Mathematics %D 2000 %P 307-315 %V 191 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2000_191_2_a6/ %G en %F SM_2000_191_2_a6