@article{BUMI_1964_3_19_3_306_0,
author = {Richard Bellman},
title = {Oscillatroy and unimodal properties of solutions of second order linear differential equations.},
journal = {Bollettino dell'Unione Matematica Italiana},
volume = {19},
year = {1964},
pages = {306-310},
zbl = {0136.07604},
mrnumber = {168837},
language = {en},
url = {http://dml.mathdoc.fr/item/BUMI_1964_3_19_3_306_0}
}
Bellman, Richard. Oscillatroy and unimodal properties of solutions of second order linear differential equations.. Bollettino dell'Unione Matematica Italiana, Tome 19 (1964) pp. 306-310. http://gdmltest.u-ga.fr/item/BUMI_1964_3_19_3_306_0/
[1] , On the Nonnegativity of Solutions of the Heat equation, «Boll. d. Unione Matematica Italiana», Vol. 12, 1957, pp. 520-523. | MR 90880 | Zbl 0079.31401
[2] , On Variation-diminishing Properties of Green's Functions, «Boll. d Unione Matematica Italiana», Vol. 16, 1961, pp., 154-166. | MR 130429 | Zbl 0099.06805