@article{AIF_1960__10__303_0,
     author = {Morel, Henri},
     title = {Existence de noyaux sur $R\times R$ ind\'efiniment diff\'erentiables dans l{\textquoteright}ouvert $\lbrace (x,y)\in R\times R,x\ne y\rbrace $, semi-r\'egulier en $x$ non semi-r\'egulier en $y$},
     journal = {Annales de l'Institut Fourier},
     pages = {303--306},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {10},
     year = {1960},
     doi = {10.5802/aif.103},
     mrnumber = {22 #12376},
     zbl = {0094.03706},
     language = {fr},
     url = {http://www.numdam.org/articles/10.5802/aif.103/}
}