@article{SM_1969_8_2_a2,
     author = {S. M. Sirota},
     title = {The product of topological groups and extremal disconnectedness},
     journal = {Sbornik. Mathematics},
     pages = {169--180},
     year = {1969},
     volume = {8},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1969_8_2_a2/}
}