TY  - JOUR
AU  - L. A. Skornyakov
TI  - Schreier and Hall varieties of unary algebras
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1983
SP  - 24
EP  - 28
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1983_3_a4/
LA  - ru
ID  - VMUMM_1983_3_a4
ER  -