%0 Journal Article
%A G. Sottas
%T On the positivity of ultraspherical type quadrature formulas with Jacobi abscissas.
%J Aequationes mathematicae
%D 1989
%P 10-27
%V 38
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1989__38_1_137311/
%F AM2_1989__38_1_137311