TY  - JOUR
AU  - Jörg Koppitz,
AU  - Tiwadee Musunthia
TI  - Hypersubstitutions for varieties of rings
JO  - Novi Sad Journal of Mathematics
PY  - 2010
SP  - 55
EP  - 65
VL  - 40
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NSJOM_2010_40_2a_15/
ID  - NSJOM_2010_40_2a_15
ER  -