Volume 7, Number R1, 1973
|Page(s)||45 - 52|
|Published online||01 February 2017|
- HOMSKY N., On certainformai properties of grammars, IC 2, 1959, 2, pp. 137-167. [MR: 105365]
- HARARY F.,NORMAN R. Z., and CARTWRIGHT D., Structural models, 1965, JohnWiley andSon. [Zbl: 0139.41503]
- ROSENKRANTZ D. J., Programmed grammars and classes offormal languages, JACM 16 1969, 1, pp. 107-131. [MR: 235940] [Zbl: 0182.02004]
- SALOMAA A., Formal languages, to be published by Academic Press, 1973. [MR: 438755] [Zbl: 0262.68025]
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