@article{RM_1967_22_2_a18,
     author = {E. M. Nikishin},
     title = {Certain properties of general function series},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1967_22_2_a18/}
}