TY  - JOUR
AU  - BJARNI JÓNSSON
TI  - On isomorphism types of groups and other algebraic systems
JO  - Mathematica Scandinavica
PY  - 1957
SP  - 224
EP  - 229
VL  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MS2_1957__5_165661/
ID  - MS2_1957__5_165661
ER  -