@article{DAN_1982_267_6_a5,
     author = {R. S. Sadyrkhanov},
     title = {On a generalization of closed and proper maps},
     journal = {Doklady Akademii Nauk},
     pages = {1309--1313},
     year = {1982},
     volume = {267},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_267_6_a5/}
}