%0 Journal Article %A È. R. Rozendorn %T Bounded complete weakly nonregular surfaces with negative curvature bounded away from zero %J Sbornik. Mathematics %D 1983 %P 501-509 %V 44 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1983_44_4_a7/ %G en %F SM_1983_44_4_a7