@article{ZVMMF_1973_13_2_a15,
     author = {E. A. Trahtengerts and A. S. Shumei},
     title = {The equivalent transformation of phrase structure grammars to precedence grammars},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {446--455},
     year = {1973},
     volume = {13},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1973_13_2_a15/}
}