@article{AL_2016_55_2_a4,
     author = {N. A. Bazhenov and I. Sh. Kalimullin and M. M. Yamaleev},
     title = {Degrees of categoricity~vs. strong degrees of categoricity},
     journal = {Algebra i logika},
     pages = {257--263},
     publisher = {mathdoc},
     volume = {55},
     number = {2},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2016_55_2_a4/}
}