%0 Journal Article %A S. Kaczmarz %T Notes on orthogonal series III %J Studia Mathematica %D 1936 %P 112-116 %V 6 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-6-1-112-116/ %R 10.4064/sm-6-1-112-116 %G en %F 10_4064_sm_6_1_112_116