%0 Journal Article
%A J.L. Denny
%A C.K. Abbey
%T Partial Sums of Orthonormal Bases Preserving Positivity - and Martingales.
%J The journal of Fourier analysis and applications [[Elektronische Ressource]]
%D 1998
%P 151-158
%V 4
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JFAA_1998__4_2_59557/
%F JFAA_1998__4_2_59557