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@article{MZ_1986__191_173690, author = {W. Allegretto}, title = {On {Positive} {L?} {Solutions} of a {Class} of {Elliptic} {Systems.}}, journal = {Mathematische Zeitschrift}, pages = {479--484}, publisher = {mathdoc}, volume = {191}, year = {1986}, zbl = {0578.35023}, url = {http://geodesic.mathdoc.fr/item/MZ_1986__191_173690/} }
W. Allegretto. On Positive L? Solutions of a Class of Elliptic Systems.. Mathematische Zeitschrift, Tome 191 (1986), pp. 479-484. http://geodesic.mathdoc.fr/item/MZ_1986__191_173690/