@article{MZM_1983_34_5_a6,
     author = {N. N. Kholshchevnikova},
     title = {Unsolvability of several questions of convergence of series and sequences},
     journal = {Matemati\v{c}eskie zametki},
     pages = {711--718},
     publisher = {mathdoc},
     volume = {34},
     number = {5},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1983_34_5_a6/}
}