@article{BNYMS_1891__1_186478,
     author = {Florian Cajori},
     title = {Multiplication of {Series.}},
     journal = {Bulletin of the New York Mathematical Society},
     pages = {184--189},
     publisher = {mathdoc},
     volume = {1},
     year = {1891},
     zbl = {24.0220.03},
     url = {http://geodesic.mathdoc.fr/item/BNYMS_1891__1_186478/}
}