@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}
}