@article{1183407245, author = {Fiske, Thomas S.}, title = {On the doubly infinite products}, journal = {Bull. New York Math. Soc.}, volume = {1}, number = {2}, year = {1891}, pages = { 61-66}, language = {en}, url = {http://dml.mathdoc.fr/item/1183407245} }
Fiske, Thomas S. On the doubly infinite products. Bull. New York Math. Soc., Tome 1 (1891) no. 2, pp. 61-66. http://gdmltest.u-ga.fr/item/1183407245/