@article{DAN_1967_172_6_a2,
     author = {V. A. Efremovich and A. G. Mordkovich and V. Yu. Sandberg},
     title = {Correct spaces},
     journal = {Doklady Akademii Nauk},
     pages = {1254--1257},
     publisher = {mathdoc},
     volume = {172},
     number = {6},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_172_6_a2/}
}