TY  - JOUR
AU  - C.T. Ng
TI  - Universal parallel composition laws and their representations.
JO  - Mathematica Scandinavica
PY  - 1977
SP  - 25
EP  - 45
VL  - 40
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MS2_1977__40_166512/
ID  - MS2_1977__40_166512
ER  -