%0 Journal Article %A R. I. Bikmukhametov %T $\Sigma^0_2$-initial segments of computable linear orders %J Algebra i logika %D 2014 %P 413-415 %V 53 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2014_53_3_a6/ %G ru %F AL_2014_53_3_a6