TY  - JOUR
AU  - Rupert, C. P.
TI  - Crossability of cancellative Kleene semigroups
JO  - RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
PY  - 1992
SP  - 151
EP  - 161
VL  - 26
IS  - 2
PB  - EDP-Sciences
UR  - http://www.numdam.org/item/ITA_1992__26_2_151_0/
LA  - en
ID  - ITA_1992__26_2_151_0
ER  -