@article{ARM_2000__36_5_a11,
     author = {Gregu\v{s}, Michal},
     title = {On certain third order eigenvalue problem},
     journal = {Archivum mathematicum},
     pages = {461--464},
     publisher = {mathdoc},
     volume = {36},
     number = {5},
     year = {2000},
     mrnumber = {1822814},
     zbl = {1090.34515},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_2000__36_5_a11/}
}