@article{DAN_1974_214_2_a2,
     author = {G. P. Amirdzhanov and B. \`E. Shapirovskii},
     title = {On everywhere dense subsets of topological spaces},
     journal = {Doklady Akademii Nauk},
     pages = {249--252},
     publisher = {mathdoc},
     volume = {214},
     number = {2},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_214_2_a2/}
}