@article{10_4153_CMB_2015_019_2,
     author = {Tang, Xianhua},
     title = {Ground {State} {Solutions} of {Nehari{\textendash}Pankov} {Type} for a {Superlinear} {Hamiltonian} {Elliptic} {System} on {RN}},
     journal = {Canadian mathematical bulletin},
     pages = {651--663},
     year = {2015},
     volume = {58},
     number = {3},
     doi = {10.4153/CMB-2015-019-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2015-019-2/}
}