@article{01780342,
title = {On the continuity of principal eigenvalues for boundary value problems with indefinite weight function with respect to radiusof balls in },
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {30},
year = {2002},
pages = {279-283},
doi = {10.1155/S0161171202007147},
zbl = {1085.35052},
language = {en},
url = {http://dml.mathdoc.fr/item/01780342}
}
Afrouzi, Ghasem Alizadeh. On the continuity of principal eigenvalues for boundary value problems with indefinite weight function with respect to radiusof balls in . International Journal of Mathematics and Mathematical Sciences, Tome 30 (2002) pp. 279-283. doi : 10.1155/S0161171202007147. http://gdmltest.u-ga.fr/item/01780342/