Partial Hypoellipticity and Gevrey Classes.
Mathematica Scandinavica, Tome 26 (1970), pp. 119-131
@article{MS2_1970__26_166130,
author = {Tomas Claesson},
title = {Partial {Hypoellipticity} and {Gevrey} {Classes.}},
journal = {Mathematica Scandinavica},
pages = {119--131},
year = {1970},
volume = {26},
zbl = {0201.12502},
url = {http://geodesic.mathdoc.fr/item/MS2_1970__26_166130/}
}
Tomas Claesson. Partial Hypoellipticity and Gevrey Classes.. Mathematica Scandinavica, Tome 26 (1970), pp. 119-131. http://geodesic.mathdoc.fr/item/MS2_1970__26_166130/