A Class of Hypoelliptic Pseudodifferential Operators with Double Characteristics.
Mathematische Annalen, Tome 217 (1975), pp. 165-188
Cet article a éte moissonné depuis la source European Digital Mathematics Library
@article{MAN_1975__217_162768,
author = {Lars H\"ormander},
title = {A {Class} of {Hypoelliptic} {Pseudodifferential} {Operators} with {Double} {Characteristics.}},
journal = {Mathematische Annalen},
pages = {165--188},
year = {1975},
volume = {217},
zbl = {0306.35032},
url = {http://geodesic.mathdoc.fr/item/MAN_1975__217_162768/}
}
Lars Hörmander. A Class of Hypoelliptic Pseudodifferential Operators with Double Characteristics.. Mathematische Annalen, Tome 217 (1975), pp. 165-188. http://geodesic.mathdoc.fr/item/MAN_1975__217_162768/