@article{05847802,
title = {Extremal values of half-eigenvalues for },
journal = {Boundary Value Problems [electronic only]},
volume = {2010},
year = {2010},
doi = {10.1155/2010/690342},
zbl = {1207.35172},
language = {en},
url = {http://dml.mathdoc.fr/item/05847802}
}
Yan, Ping. Extremal values of half-eigenvalues for . Boundary Value Problems [electronic only], Tome 2010 (2010) . doi : 10.1155/2010/690342. http://gdmltest.u-ga.fr/item/05847802/