%0 Journal Article
%A Lee, Chung-Fen
%A Yeh, Cheh-Chih
%A Gau, Chuen-Yu
%T Some oscillation theorems for second order differential equations
%J Czechoslovak Mathematical Journal
%D 2005
%P 845-861
%V 55
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMJ_2005__55_4_a2/
%G en
%F CMJ_2005__55_4_a2