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@article{EJDE_1995__1995_14_a0, author = {Allegretto, Walter and Siegel, David}, title = {Picone's identity and the moving plane procedure}, journal = {Electronic Journal of Differential Equations}, publisher = {mathdoc}, volume = {1995}, number = {14}, year = {1995}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EJDE_1995__1995_14_a0/} }
Allegretto, Walter; Siegel, David. Picone's identity and the moving plane procedure. Electronic Journal of Differential Equations, Tome 1995 (1995) no. 14. http://geodesic.mathdoc.fr/item/EJDE_1995__1995_14_a0/