@article{AL_2014_53_3_a6,
     author = {R. I. Bikmukhametov},
     title = {$\Sigma^0_2$-initial segments of computable linear orders},
     journal = {Algebra i logika},
     pages = {413--415},
     publisher = {mathdoc},
     volume = {53},
     number = {3},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2014_53_3_a6/}
}