TY  - JOUR
AU  - V. M. Kopytov
AU  - N. Ya. Medvedev
TI  - Varieties of lattice ordered groups
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1985
SP  - 97
EP  - 110
VL  - 40
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1985_40_6_a2/
LA  - en
ID  - RM_1985_40_6_a2
ER  -