TY  - JOUR
AU  - Graef, John R.
AU  - Spikes, Paul W.
TI  - On the oscillatory behavior of solutions of second order nonlinear differential equations
JO  - Czechoslovak Mathematical Journal
PY  - 1986
SP  - 275
EP  - 284
VL  - 36
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1986.102091/
DO  - 10.21136/CMJ.1986.102091
LA  - en
ID  - 10_21136_CMJ_1986_102091
ER  -