A simple proof of Valiant's lemma
RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Volume 20 (1986) no. 2, pp. 183-190.
@article{ITA_1986__20_2_183_0,
     author = {Walter, Hermann K.-G.},
     title = {A simple proof of {Valiant's} lemma},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {183--190},
     publisher = {AFCET - Gauthier-Villars},
     address = {Paris},
     volume = {20},
     number = {2},
     year = {1986},
     zbl = {0606.68075},
     mrnumber = {860768},
     language = {en},
     url = {http://www.numdam.org/item/ITA_1986__20_2_183_0/}
}
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TI  - A simple proof of Valiant's lemma
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PY  - 1986
DA  - 1986///
SP  - 183
EP  - 190
VL  - 20
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PB  - AFCET - Gauthier-Villars
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UR  - https://zbmath.org/?q=an%3A0606.68075
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%T A simple proof of Valiant's lemma
%J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
%D 1986
%P 183-190
%V 20
%N 2
%I AFCET - Gauthier-Villars
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%G en
%F ITA_1986__20_2_183_0
Walter, Hermann K.-G. A simple proof of Valiant's lemma. RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Volume 20 (1986) no. 2, pp. 183-190. http://www.numdam.org/item/ITA_1986__20_2_183_0/

1. M. A. Harrison, Introduction to Formal Languages Theory, Addison-Wesley Pub. Co., Reading, Mass. 1978. | MR | Zbl

2. L. Valiant, General Context-free Recognition In Less Than Cubic Time, J. Comp. Syst. Sc., Vol. 10, 1975, pp. 308-315. | MR | Zbl