Department of Pure Mathematics, The University of Adelaide, Australia 5005
Bibliografia
[1] R. Askey, Remarks on the preceding paper by Gavin Brown and Edwin Hewitt, Math. Ann. 268 (1984), 123-126.
[2] R. Askey and J. Steinig, Some positive trigonometric sums, Trans. Amer. Math. Soc. 187 (1974), 295-307.
[3] G. Brown and E. Hewitt, A class of positive trigonometric sums, Math. Ann. 268 (1984), 91-122.
[4] G. Brown, S. Koumandos and K.-Y. Wang, Positivity of more Jacobi polynomial sums, Math. Proc. Cambridge Philos. Soc., to appear.
[5] G. Brown, S. Koumandos and K.-Y. Wang, Positivity of Cotes numbers at more Jacobi abscissas, Monatsh. Math., to appear.
[6] B. W. Char, K. O. Geddes, A. H. Gonnet, B. L. Leong, M. B. Monagan and S. M. Watt, Maple V First Leaves. A Tutorial Introduction to Maple V and Library Reference Manual, Springer, 1992.
[7] A. Erdélyi, W. Magnus, F. Oberhettinger and F. G. Tricomi, Higher Trans- cendental Functions, Vol. 2, McGraw-Hill, New York, 1953.