@article{DAN_1963_151_5_a5,
     author = {W. Holszty\'nski},
     title = {Addition theorems for the weight of topological spaces},
     journal = {Doklady Akademii Nauk},
     pages = {1018--1020},
     publisher = {mathdoc},
     volume = {151},
     number = {5},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_151_5_a5/}
}