TY  - JOUR
AU  - James S.W. Wong
AU  - Anton Zettl
TI  - On the Limit Point Classification of Second Order Differential Equations.
JO  - Mathematische Zeitschrift
PY  - 1973
SP  - 297
EP  - 304
VL  - 132
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1973__132_171930/
ID  - MZ_1973__132_171930
ER  -