OFFSET
0,3
LINKS
I. J. Good, The factorization of a sum of matrices and the multivariate cumulants of a set of quadratic expressions, J. Combinatorial Theory Ser. A 11 1971 27--37. MR0274311 (43 #76). See page 30.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, May 23 2012
STATUS
approved