TY  - JOUR
AU  - Walter, Hermann K.-G.
TI  - A simple proof of Valiant's lemma
JO  - RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
PY  - 1986
SP  - 183
EP  - 190
VL  - 20
IS  - 2
PB  - AFCET - Gauthier-Villars
PP  - Paris
UR  - http://archive.numdam.org/item/ITA_1986__20_2_183_0/
LA  - en
ID  - ITA_1986__20_2_183_0
ER  -