@article{RLINA_1975_8_58_5_a2,
     author = {Edelson, Allan and Kreith, Kurt},
     title = {Upper {Bounds} for {Conjugate} {Points} of {Nonselfadjoint} {Fourth} {Order} {Differential} {Equations}},
     journal = {Atti della Accademia nazionale dei Lincei. Rendiconti della Classe di scienze fisiche, matematiche e naturali},
     pages = {686--695},
     publisher = {mathdoc},
     volume = {Ser. 8, 58},
     number = {5},
     year = {1975},
     zbl = {0396.34041},
     mrnumber = {0427737},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RLINA_1975_8_58_5_a2/}
}