@article{10_4064_ap_51_1_241_248,
     author = {Jean Mawhin and Klaus Schmitt},
     title = {Nonlinear eigenvalue problems with the parameter near resonance},
     journal = {Annales Polonici Mathematici},
     pages = {241--248},
     publisher = {mathdoc},
     volume = {51},
     number = {1},
     year = {1990},
     doi = {10.4064/ap-51-1-241-248},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-51-1-241-248/}
}