@article{MZM_1973_14_6_a4,
     author = {V. I. Shirokov},
     title = {$(i)${-Convergence} and its application to a~sequence of functions},
     journal = {Matemati\v{c}eskie zametki},
     pages = {809--819},
     publisher = {mathdoc},
     volume = {14},
     number = {6},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1973_14_6_a4/}
}