Extremal property of the equation $y''=-k^2y$
Archivum mathematicum, Tome 03 (1967) no. 4, pp. 161-164
Voir la notice de l'article provenant de 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},
publisher = {mathdoc},
volume = {03},
number = {4},
year = {1967},
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 03 (1967) no. 4, pp. 161-164. http://geodesic.mathdoc.fr/item/ARM_1967__3_4_a0/