TY  - JOUR
AU  - I. L. Mel'nichuk
TI  - Undecidability of the problems of equality and divisibility in
JO  - Algebra i logika
PY  - 1984
SP  - 430
EP  - 438
VL  - 23
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1984_23_4_a5/
LA  - ru
ID  - AL_1984_23_4_a5
ER  -