By Ji Kathy Q.   Wilf Herbert S.   in American Mathematical Monthly

ISSN:1930-0972|115|5|447-447

Mathematical Association of America‎(2008)‎

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By Chen William   Gao Henry   Ji Kathy   Li Martin   in The Ramanujan Journal

ISSN:1382-4090|23|1-3|137-149

Springer Publishing Company ‎(2010)‎

Access to resources Favorite 7.4325056

By Chen William Y. C.   Ji Kathy Q.   Liu Eric H.   in Quarterly Journal of Mathematics

ISSN:1464-3847|63|2|353-365

Oxford University Press‎(2012)‎

Access to resources Favorite 6.747157