@article{PORMA_1982__41_1-4_115495,
     author = {Do, Claude},
     title = {Le probl\`eme spectral associ\'e au mod\`ele de {Neumann-Kelvin}},
     journal = {Portugaliae mathematica},
     pages = {211--231},
     publisher = {mathdoc},
     volume = {41},
     number = {1-4},
     year = {1982},
     mrnumber = {0766851},
     zbl = {0567.76028},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1982__41_1-4_115495/}
}