@article{DAN_1972_202_4_a10,
     author = {B. Shapirovskii},
     title = {On discrete subspaces of topological spaces; weight, tightness and {Suslin} number},
     journal = {Doklady Akademii Nauk},
     pages = {779--782},
     publisher = {mathdoc},
     volume = {202},
     number = {4},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_202_4_a10/}
}