@article{VNGU_2013_13_2_a0,
     author = {N. A. Bazhenov},
     title = {On $\Delta^0_2${-Categoricity} of {Boolean} {Algebras}},
     journal = {Sibirskij \v{z}urnal \v{c}istoj i prikladnoj matematiki},
     pages = {3--14},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VNGU_2013_13_2_a0/}
}