@article{DAN_1973_209_2_a7,
     author = {I. K. Lifanov},
     title = {On the dimension of normal spaces},
     journal = {Doklady Akademii Nauk},
     pages = {291--294},
     publisher = {mathdoc},
     volume = {209},
     number = {2},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_209_2_a7/}
}