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@article{MS2_1991__69_1_167176, author = {John C. Wood}, title = {Lewy's theorem fails in higher dimensions.}, journal = {Mathematica Scandinavica}, pages = {166--166}, publisher = {mathdoc}, volume = {69}, number = {1}, year = {1991}, zbl = {0711.31003}, url = {http://geodesic.mathdoc.fr/item/MS2_1991__69_1_167176/} }
John C. Wood. Lewy's theorem fails in higher dimensions.. Mathematica Scandinavica, Tome 69 (1991) no. 1, p. 166. http://geodesic.mathdoc.fr/item/MS2_1991__69_1_167176/