@article{1138843935,
author = {Hong, Imsik},
title = {On an eigenvalue and eigenfunction problem of the equation $\Delta u+\l ambda u=0$},
journal = {Kodai Math. Sem. Rep.},
volume = {9},
number = {1},
year = {1957},
pages = { 179-190},
language = {en},
url = {http://dml.mathdoc.fr/item/1138843935}
}
Hong, Imsik. On an eigenvalue and eigenfunction problem of the equation $\Delta u+łambda u=0$. Kodai Math. Sem. Rep., Tome 9 (1957) no. 1, pp. 179-190. http://gdmltest.u-ga.fr/item/1138843935/