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@article{AM2_1989__38_1_137328, author = {C. Alsina and J.L. Garcia-Roig}, title = {On continuous preservation of norms and areas.}, journal = {Aequationes mathematicae}, pages = {211--215}, publisher = {mathdoc}, volume = {38}, number = {1}, year = {1989}, zbl = {0686.39011}, url = {http://geodesic.mathdoc.fr/item/AM2_1989__38_1_137328/} }
C. Alsina; J.L. Garcia-Roig. On continuous preservation of norms and areas.. Aequationes mathematicae, Tome 38 (1989) no. 1, pp. 211-215. http://geodesic.mathdoc.fr/item/AM2_1989__38_1_137328/