@article{05142044,
title = {On the solvability of nonlinear first-order boundary-value problems.},
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {2006},
year = {2006},
zbl = {1117.34020},
language = {en},
url = {http://dml.mathdoc.fr/item/05142044}
}
Tisdell, Christopher C. On the solvability of nonlinear first-order boundary-value problems.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2006 (2006) . http://gdmltest.u-ga.fr/item/05142044/