@article{JRAM_1981__325_152357,
     author = {Michael Struwe},
     title = {Three non-trival solutions of anticoercive boundary value problems for the {Pseudo-Laplace-operator.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {68--74},
     publisher = {mathdoc},
     volume = {325},
     year = {1981},
     zbl = {0456.35032},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1981__325_152357/}
}