TY  - JOUR
AU  - Lavie, Meira
TI  - The Schwarzian Derivative and Disconjugacy of nth order Linear Differential Equations
JO  - Canadian journal of mathematics
PY  - 1969
SP  - 235
EP  - 249
VL  - 21
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-023-9/
DO  - 10.4153/CJM-1969-023-9
ID  - 10_4153_CJM_1969_023_9
ER  -