%0 Journal Article %A L. P. Zhil'tsova %T Patterns in trees used in the derivation of words in a stochastic context-free language and a lower bound on coding cost. A critical case %J Diskretnyj analiz i issledovanie operacij %D 2003 %P 23-53 %V 10 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DA_2003_10_3_a2/ %G ru %F DA_2003_10_3_a2