%0 Journal Article %A V. N. Kokarev %T The normal image of a~complete relatively minimal surface %J Sbornik. Mathematics %D 1993 %P 257-264 %V 75 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1993_75_1_a14/ %G en %F SM_1993_75_1_a14