Moreno, Carlos J. Sums of squares of integers / - Boca Raton: Chapman & Hall/CRC Press, 2006 - vi, 354p. Bibl. Index - Discrete Mathematics and its applications . "Purchased under NBHM grant for the year 2006-2007" ISBN: 1584884568 Dewey Class. No.: 512.7 / M843.SS