TY  - JOUR
AU  - G. S. Tseitin
TI  - An associative calculus with an insoluble problem of equivalence
JO  - Informatics and Automation
PY  - 1958
SP  - 172
EP  - 189
VL  - 52
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1958_52_a5/
LA  - ru
ID  - TRSPY_1958_52_a5
ER  -