Numerical integration over simplexes

This work is supported in part by a grant of Wisconsin Alumni Research Foundation funds made by the Graduate Research Committee. 1. P. C. Hammer & A. W. Wymore, "Numerical integration over higher dimensional regions." Unpublished manuscript. 2. G. Szegö, Orthogonal Polynomials, Am. Math. Soc. Colloquium Publications, v. 23, New York, 1939. 3. G. W. Tyler, "Numerical integration of functions of several variables," Canadian J. Math., v. 5, 1953, p. 393^12.