TY  - JOUR
AU  - V. M. Kopytov
AU  - N. Ya. Medvedev
TI  - Varieties of lattice-ordered groups
JO  - Algebra i logika
PY  - 1977
SP  - 417
EP  - 423
VL  - 16
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1977_16_4_a3/
LA  - ru
ID  - AL_1977_16_4_a3
ER  -