TY  - JOUR
AU  - E. B. Belyakov
AU  - V. I. Mart'yanov
TI  - The universal theory of the integers and the extended twin
JO  - Algebra i logika
PY  - 1983
SP  - 26
EP  - 34
VL  - 22
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1983_22_1_a1/
LA  - ru
ID  - AL_1983_22_1_a1
ER  -