TY  - JOUR
AU  - Bellman, Richard
TI  - Oscillatroy and unimodal properties of solutions of second order linear  differential equations.
JO  - Bollettino della Unione matematica italiana
PY  - 1964
SP  - 306
EP  - 310
VL  - 19
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/BUMI_1964_3_19_3_a7/
LA  - en
ID  - BUMI_1964_3_19_3_a7
ER  -