@article{VNGU_2012_12_3_a3,
     author = {N. A. Bazhenov},
     title = {Hyperarithmetical {Categoricity} of the {Boolean} {Algebra} $\mathfrak{B}(\omega^{\alpha}\times\eta)$},
     journal = {Sibirskij \v{z}urnal \v{c}istoj i prikladnoj matematiki},
     pages = {35--45},
     publisher = {mathdoc},
     volume = {12},
     number = {3},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VNGU_2012_12_3_a3/}
}