@article{AL_1963_2_3_a1,
     author = {A. D. Taimanov},
     title = {Decidability of the elementary theory of sphere inclusion},
     journal = {Algebra i logika},
     pages = {23--27},
     publisher = {mathdoc},
     volume = {2},
     number = {3},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1963_2_3_a1/}
}