Nonoscillation theory of elliptic equations of order $2n$.
Allegretto, W.
Pacific J. Math., Tome 67 (1976) no. 2, p. 1-16 / Harvested from Project Euclid
Publié le : 1976-05-14
Classification:  35B05
@article{1102867208,
     author = {Allegretto, W.},
     title = {Nonoscillation theory of elliptic equations of order $2n$.},
     journal = {Pacific J. Math.},
     volume = {67},
     number = {2},
     year = {1976},
     pages = { 1-16},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1102867208}
}
Allegretto, W. Nonoscillation theory of elliptic equations of order $2n$.. Pacific J. Math., Tome 67 (1976) no. 2, pp.  1-16. http://gdmltest.u-ga.fr/item/1102867208/