%0 Journal Article %A A. N. Rudakov %A I. R. Shafarevich %T On the degeneration of surfaces of type $K3$ %J Doklady Akademii Nauk %D 1981 %P 1050-1052 %V 259 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_259_5_a5/ %G ru %F DAN_1981_259_5_a5