@article{AL_2020_59_6_a2,
     author = {N. D. Markhabatov and S. V. Sudoplatov},
     title = {Topologies, ranks, and closures for families of {theories.~I}},
     journal = {Algebra i logika},
     pages = {649--679},
     publisher = {mathdoc},
     volume = {59},
     number = {6},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2020_59_6_a2/}
}