%0 Journal Article %A A. I. Petrov %T Random context-free grammars: supercritical case with a nonzero extinction probability %J Teoriâ veroâtnostej i ee primeneniâ %D 2002 %P 794-803 %V 47 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_2002_47_4_a13/ %G ru %F TVP_2002_47_4_a13