TY  - JOUR
AU  - Gardner, Barry J.
TI  - Extension-closure and attainability for varieties of algebras with involution
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1980
SP  - 285
EP  - 292
VL  - 21
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1980__21_2_a6/
LA  - en
ID  - CMUC_1980__21_2_a6
ER  -