TY  - JOUR
AU  - Yu. M. Vazhenin
TI  - Elementary properties of semigroups of transformations of ordered
JO  - Algebra i logika
PY  - 1970
SP  - 281
EP  - 301
VL  - 9
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1970_9_3_a2/
LA  - ru
ID  - AL_1970_9_3_a2
ER  -