%0 Journal Article
%A Beesack, Paul R.
%T On Sturm's Separation Theorem
%J Canadian mathematical bulletin
%D 1972
%P 481-487
%V 15
%N 4
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-086-7/
%R 10.4153/CMB-1972-086-7
%F 10_4153_CMB_1972_086_7