TY  - JOUR
AU  - E. A. Palyutin
TI  - On coverings by classes of permutable equivalence relations
JO  - Algebra i logika
PY  - 1995
SP  - 316
EP  - 322
VL  - 34
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1995_34_3_a5/
LA  - ru
ID  - AL_1995_34_3_a5
ER  -