@article{MMO_1992_54_a4,
     author = {A. V. Arkhangel'skiǐ and B. M. Bokalo},
     title = {The tangency of topologies and tangential properties of topological spaces},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {160--185},
     publisher = {mathdoc},
     volume = {54},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1992_54_a4/}
}