@article{EJDE_2012__2012__a46, author = {Feng, Hanying and Bai, Donglong and Feng, Meiqiang}, title = {Multiple symmetric positive solutions to four-point boundary-value problems of differential systems with $p${-Laplacian}}, journal = {Electronic Journal of Differential Equations}, publisher = {mathdoc}, volume = {2012}, year = {2012}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a46/} }