TY  - JOUR
AU  - Taylor, W.E. jr.
TI  - On the oscillation of a fourth order differential equation and its adjoint
JO  - Portugaliae mathematica
PY  - 1978
SP  - 299
EP  - 305
VL  - 37
IS  - 3-4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PORMA_1978__37_3-4_115359/
LA  - en
ID  - PORMA_1978__37_3-4_115359
ER  -