TY  - JOUR
AU  - A. V. Kravchenko
TI  - Complexity of Quasivariety Lattices for Varieties of Unary Algebras
JO  - Matematičeskie trudy
PY  - 2001
SP  - 113
EP  - 127
VL  - 4
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MT_2001_4_2_a5/
LA  - ru
ID  - MT_2001_4_2_a5
ER  -