@article{02204828, title = {Maximum principles for a family of nonlocal boundary value problems.}, journal = {Advances in Difference Equations [electronic only]}, volume = {2004}, year = {2004}, pages = {201-210}, doi = {10.1155/S1687183904310083}, zbl = {1083.39018}, language = {en}, url = {http://dml.mathdoc.fr/item/02204828} }
Eloe, Paul W. Maximum principles for a family of nonlocal boundary value problems.. Advances in Difference Equations [electronic only], Tome 2004 (2004) pp. 201-210. doi : 10.1155/S1687183904310083. http://gdmltest.u-ga.fr/item/02204828/