@article{MZM_1977_21_5_a4,
     author = {S. V. Lapin},
     title = {Theorem on a~convergence condition in the spaces},
     journal = {Matemati\v{c}eskie zametki},
     pages = {615--626},
     publisher = {mathdoc},
     volume = {21},
     number = {5},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1977_21_5_a4/}
}