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@article{MS2_1969__24_166090, author = {Per Enflo}, title = {Topological {Groups} in {Which} {Multiplication} on {One} {Side} is {Differentiable} or {Linear.}}, journal = {Mathematica Scandinavica}, pages = {195--207}, publisher = {mathdoc}, volume = {24}, year = {1969}, zbl = {0205.32801}, url = {http://geodesic.mathdoc.fr/item/MS2_1969__24_166090/} }
Per Enflo. Topological Groups in Which Multiplication on One Side is Differentiable or Linear.. Mathematica Scandinavica, Tome 24 (1969), pp. 195-207. http://geodesic.mathdoc.fr/item/MS2_1969__24_166090/