TY  - JOUR
AU  - Lynn Erbe
TI  - A Uniqueness Theorem for Second Order Differential Equations.
JO  - Mathematische Zeitschrift
PY  - 1969
SP  - 92
EP  - 96
VL  - 109
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1969__109_171126/
ID  - MZ_1969__109_171126
ER  -