@inbook{10.4169/j.ctt6wpwnz.20, ISBN = {9780883853481}, URL = {http://www.jstor.org/stable/10.4169/j.ctt6wpwnz.20}, bookauthor = {Claudi Alsina and Roger B. Nelsen}, booktitle = {Charming Proofs: A Journey into Elegant Mathematics}, edition = {1}, pages = {295--295}, publisher = {Mathematical Association of America}, title = {About the Authors}, volume = {42}, year = {2010} }