@article{10_4064_sm214_3_2,
     author = {Chun Li and Zeng-Qi Ou and Chun-Lei Tang},
     title = {Nontrivial solutions for a class of
 superquadratic elliptic equations},
     journal = {Studia Mathematica},
     pages = {223--236},
     year = {2013},
     volume = {214},
     number = {3},
     doi = {10.4064/sm214-3-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm214-3-2/}
}