@article{01046332, title = {On the global solvability of a class of fourth-order nonlinear boundary value problems.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {20}, year = {1997}, pages = {257-261}, doi = {10.1155/S0161171297000343}, zbl = {0913.34020}, language = {en}, url = {http://dml.mathdoc.fr/item/01046332} }
Elgindi, M.B.M.; Guan, Zhengyuan. On the global solvability of a class of fourth-order nonlinear boundary value problems.. International Journal of Mathematics and Mathematical Sciences, Tome 20 (1997) pp. 257-261. doi : 10.1155/S0161171297000343. http://gdmltest.u-ga.fr/item/01046332/