TY  - JOUR
AU  - A. I. Kokorin
TI  - Intersection and union of relatively convex subgroups of orderable
JO  - Algebra i logika
PY  - 1968
SP  - 48
EP  - 50
VL  - 7
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1968_7_3_a4/
LA  - ru
ID  - AL_1968_7_3_a4
ER  -