@article{KYB_1969_5_3_a1,
     author = {Havel, Ivan},
     title = {A note on one-sided context-sensitive grammars},
     journal = {Kybernetika},
     pages = {186--189},
     year = {1969},
     volume = {5},
     number = {3},
     mrnumber = {0243954},
     zbl = {0169.01402},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1969_5_3_a1/}
}