@article{01590592, title = {Variational methods for boundary value problems.}, journal = {Journal of Applied Mathematics and Decision Sciences}, volume = {4}, year = {2000}, pages = {193-204}, doi = {10.1155/S1173912600000158}, zbl = {0983.34011}, language = {en}, url = {http://dml.mathdoc.fr/item/01590592} }
Tsang, B.; Taylor, S.W.; Wake, G.C. Variational methods for boundary value problems.. Journal of Applied Mathematics and Decision Sciences, Tome 4 (2000) pp. 193-204. doi : 10.1155/S1173912600000158. http://gdmltest.u-ga.fr/item/01590592/