@article{MZM_1970_7_4_a7,
     author = {P. L. Ul'yanov},
     title = {On series with respect to a {Schauder} system},
     journal = {Matemati\v{c}eskie zametki},
     pages = {431--442},
     publisher = {mathdoc},
     volume = {7},
     number = {4},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1970_7_4_a7/}
}