%0 Journal Article
%A Peterson, Allan C.
%A Sukup, Dwight V.
%T On the First Conjugate Point Function for Nonlinear Differential Equations
%J Canadian mathematical bulletin
%D 1975
%P 577-585
%V 18
%N 4
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-102-1/
%R 10.4153/CMB-1975-102-1
%F 10_4153_CMB_1975_102_1