TY  - JOUR
AU  - V. Yu. Shaprynskii
TI  - The periodicity of special elements in the lattice of semigroup varieties
JO  - Trudy Instituta matematiki i mehaniki
PY  - 2012
SP  - 282
EP  - 286
VL  - 18
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/TIMM_2012_18_3_a30/
LA  - ru
ID  - TIMM_2012_18_3_a30
ER  -