@article{AIF_1963__13_2_75_0, author = {Leeuw, Karel De and Mirkil, H.}, title = {Algebras of differentiable functions in the plane}, journal = {Annales de l'Institut Fourier}, pages = {75--89}, publisher = {Institut Fourier}, address = {Grenoble}, volume = {13}, number = {2}, year = {1963}, doi = {10.5802/aif.142}, zbl = {0131.33301}, mrnumber = {29 #1550}, language = {en}, url = {https://aif.centre-mersenne.org/articles/10.5802/aif.142/} }