%0 Journal Article %A Corradini, Flavio %A De Nicola, Rocco %A Labella, Anna %T A finite axiomatization of nondeterministic regular expressions %J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications %D 1999 %P 447-465 %V 33 %N 4-5 %I EDP-Sciences %U http://www.numdam.org/item/ITA_1999__33_4-5_447_0/ %G en %F ITA_1999__33_4-5_447_0