@article{MM2_1980__32_154732,
     author = {Michael Struwe},
     title = {Infinitely {Many} {Critical} {Points} for {Functionals} which are not {Even} and {Applications} to {Superlinear} {Boundary} {Value} {Problems.}},
     journal = {Manuscripta mathematica},
     pages = {335--364},
     publisher = {mathdoc},
     volume = {32},
     year = {1980},
     zbl = {0456.35031},
     url = {http://geodesic.mathdoc.fr/item/MM2_1980__32_154732/}
}