@article{10_4153_CMB_2015_035_4,
     author = {Song, Hongxue and Chen, Caisheng and Yan, Qinglun},
     title = {Existence of {Multiple} {Solutions} for a {p-Laplacian} {System} in {RN} with {Sign-changing} {Weight} {Functions}},
     journal = {Canadian mathematical bulletin},
     pages = {417--434},
     year = {2016},
     volume = {59},
     number = {2},
     doi = {10.4153/CMB-2015-035-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2015-035-4/}
}