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@article{PORMA_1960__19_3_114840, author = {Lin, You-Feng}, title = {A note on the {Wallace} theorem}, journal = {Portugaliae mathematica}, pages = {199--201}, publisher = {mathdoc}, volume = {19}, number = {3}, year = {1960}, mrnumber = {0124872}, zbl = {0094.35401}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1960__19_3_114840/} }
Lin, You-Feng. A note on the Wallace theorem. Portugaliae mathematica, Tome 19 (1960) no. 3, pp. 199-201. http://geodesic.mathdoc.fr/item/PORMA_1960__19_3_114840/