TY  - JOUR
AU  - Havel, Ivan M.
TI  - Regular expressions over generalized alphabet and design of logical nets
JO  - Kybernetika
PY  - 1968
SP  - 516
EP  - 537
VL  - 4
IS  - 6
UR  - http://geodesic.mathdoc.fr/item/KYB_1968_4_6_a1/
LA  - en
ID  - KYB_1968_4_6_a1
ER  -