@article{03798200,
title = {An upper estimation for the eigenfrequencies of vibrating Liapunoff bodies (first boundary value problem).},
journal = {Publications de l'Institut Math\'ematique. Nouvelle S\'erie},
volume = {29(43)},
year = {1981},
pages = {59-64},
zbl = {0506.34026},
language = {en},
url = {http://dml.mathdoc.fr/item/03798200}
}
Joo, I.; Stacho, L.L. An upper estimation for the eigenfrequencies of vibrating Liapunoff bodies (first boundary value problem).. Publications de l'Institut Mathématique. Nouvelle Série, Tome 29(43) (1981) pp. 59-64. http://gdmltest.u-ga.fr/item/03798200/