TY  - JOUR
AU  - Kurt Kreith
TI  - A Comparison Theorem for n-th Order Differential Equations.
JO  - Mathematische Zeitschrift
PY  - 1970
SP  - 357
EP  - 358
VL  - 115
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1970__115_171358/
ID  - MZ_1970__115_171358
ER  -