TY  - JOUR
AU  - S. V. Smirnov
TI  - \v{C}eby\v{s}ev approximations and the theory of models
JO  - Algebra i logika
PY  - 1970
SP  - 73
EP  - 79
VL  - 9
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1970_9_1_a5/
LA  - ru
ID  - AL_1970_9_1_a5
ER  -