TY  - JOUR
AU  - R. I. Bikmukhametov
TI  - $\Sigma^0_2$-initial segments of computable linear orders
JO  - Algebra i logika
PY  - 2014
SP  - 413
EP  - 415
VL  - 53
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_2014_53_3_a6/
LA  - ru
ID  - AL_2014_53_3_a6
ER  -