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@article{MAN_1974__211_162642, author = {R.H. jr. Martin}, title = {Nonlinear {Perturbations} of {Uncoupled} {Systems} of {Elliptic} {Operators.}}, journal = {Mathematische Annalen}, pages = {155--170}, publisher = {mathdoc}, volume = {211}, year = {1974}, url = {http://geodesic.mathdoc.fr/item/MAN_1974__211_162642/} }
R.H. jr. Martin. Nonlinear Perturbations of Uncoupled Systems of Elliptic Operators.. Mathematische Annalen, Tome 211 (1974), pp. 155-170. http://geodesic.mathdoc.fr/item/MAN_1974__211_162642/