@article{BMMS_2014_37_1_a18,
     author = {Huixing Zhang},
     title = {Existence of {Nontrivial} {Solutions} to {Perturbed} {Schr\"odinger} {System}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2014},
     volume = {37},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2014_37_1_a18/}
}