@article{TRSPY_1987_180_a92,
     author = {G. A. Mamedov},
     title = {A~constructive description of certain spaces},
     journal = {Informatics and Automation},
     pages = {156--157},
     publisher = {mathdoc},
     volume = {180},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a92/}
}