@article{DA_2001_8_3_a2,
     author = {L. P. Zhil'tsova},
     title = {A~lower bound for the coding cost and the asymptotically optimal coding of stochastic context-free languages},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {26--45},
     publisher = {mathdoc},
     volume = {8},
     number = {3},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2001_8_3_a2/}
}