TY  - JOUR
AU  - L. Zhang
TI  - Rational strong codes and structure of rational group languages.
JO  - Semigroup forum
PY  - 1986
SP  - 181
EP  - 194
VL  - 35
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1986__35_134868/
LA  - en
ID  - SF_1986__35_134868
ER  -