@article{MZ_1951__54_169213,
     author = {Leopold Schmetterer},
     title = {Bemerkungen zur {Multiplikation} unendlicher {Reihen.}},
     journal = {Mathematische Zeitschrift},
     pages = {102--114},
     publisher = {mathdoc},
     volume = {54},
     year = {1951},
     zbl = {0043.28601},
     url = {http://geodesic.mathdoc.fr/item/MZ_1951__54_169213/}
}