@article{SM_1972_18_3_a0,
     author = {V. F. Gaposhkin},
     title = {On the convergence of series of weakly multiplicative systems of functions},
     journal = {Sbornik. Mathematics},
     pages = {361--372},
     publisher = {mathdoc},
     volume = {18},
     number = {3},
     year = {1972},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1972_18_3_a0/}
}