Extremal property of the equation $y''=-k^2y$
Archivum mathematicum, Tome 3 (1967) no. 4, pp. 161-164
Cet article a éte moissonné depuis la source Czech Digital Mathematics Library
@article{ARM_1967_3_4_a0,
author = {Neuman, Franti\v{s}ek},
title = {Extremal property of the equation $y''=-k^2y$},
journal = {Archivum mathematicum},
pages = {161--164},
year = {1967},
volume = {3},
number = {4},
mrnumber = {0236465},
zbl = {0217.40202},
language = {en},
url = {http://geodesic.mathdoc.fr/item/ARM_1967_3_4_a0/}
}
Neuman, František. Extremal property of the equation $y''=-k^2y$. Archivum mathematicum, Tome 3 (1967) no. 4, pp. 161-164. http://geodesic.mathdoc.fr/item/ARM_1967_3_4_a0/
[1] Neuman F.: Sur les équations différentielles linéaires oscillatoires du deuxième ordre avec la dispersion fondamentale $\varphi (t) = t+\pi$. Bull. Inst. Polyt. (Iaşi), T. X (XIV), 1964, 37-42. | MR | Zbl
[2] Neuman F.: Criterion of periodicity of solutions of a certain differential equation with a periodic coefficient. Annali di Mat. p. ed. appl., S. IV. N., T. LXXV, (1967), 385-396. | MR | Zbl