TY  - JOUR
AU  - A. I. Mal'tsev
TI  - Effective inseparability of a set of identically true formulae from a set of finitely refutable ones in some elementary theories
JO  - Doklady Akademii Nauk
PY  - 1961
SP  - 802
EP  - 805
VL  - 139
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1961_139_4_a7/
LA  - ru
ID  - DAN_1961_139_4_a7
ER  -