@article{BNYMS_1891__1_186460,
     author = {Thomas S. Fiske},
     title = {On the {Doubly} {Infinite} {Products.}},
     journal = {Bulletin of the New York Mathematical Society},
     pages = {61--66},
     publisher = {mathdoc},
     volume = {1},
     year = {1891},
     zbl = {23.0037.03},
     url = {http://geodesic.mathdoc.fr/item/BNYMS_1891__1_186460/}
}