TY  - JOUR
AU  - Novotný, Miroslav
TI  - On some constructions of algebraic objects
JO  - Czechoslovak Mathematical Journal
PY  - 2006
SP  - 389
EP  - 402
VL  - 56
IS  - 2
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/item/CMJ_2006__56_2_a8/
LA  - en
ID  - CMJ_2006__56_2_a8
ER  -