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@article{AM2_1969__2_182328, author = {M. HOSSZ\"U}, title = {A {Remark} on the {Square} {Norm}}, journal = {Aequationes mathematicae}, pages = {190--193}, publisher = {mathdoc}, volume = {2}, year = {1969}, zbl = {0174.46302}, url = {http://geodesic.mathdoc.fr/item/AM2_1969__2_182328/} }
M. HOSSZÜ. A Remark on the Square Norm. Aequationes mathematicae, Tome 2 (1969), pp. 190-193. http://geodesic.mathdoc.fr/item/AM2_1969__2_182328/