Geodesic
Differential operators of principal type
Matematika, Tome 5 (1961) no. 5, pp. 89-114 
L. Hörmander. Differential operators of principal type. Matematika, Tome 5 (1961) no. 5, pp. 89-114. http://geodesic.mathdoc.fr/item/MAT_1961_5_5_a4/
@article{MAT_1961_5_5_a4,
     author = {L. H\"ormander},
     title = {Differential operators of principal type},
     journal = {Matematika},
     pages = {89--114},
     year = {1961},
     volume = {5},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAT_1961_5_5_a4/}
}
TY  - JOUR
AU  - L. Hörmander
TI  - Differential operators of principal type
JO  - Matematika
PY  - 1961
SP  - 89
EP  - 114
VL  - 5
IS  - 5
UR  - http://geodesic.mathdoc.fr/item/MAT_1961_5_5_a4/
LA  - ru
ID  - MAT_1961_5_5_a4
ER  - 
%0 Journal Article
%A L. Hörmander
%T Differential operators of principal type
%J Matematika
%D 1961
%P 89-114
%V 5
%N 5
%U http://geodesic.mathdoc.fr/item/MAT_1961_5_5_a4/
%G ru
%F MAT_1961_5_5_a4

Voir la notice de l'article provenant de la source Math-Net.Ru