TY  - JOUR
AU  - Z. Zieleźny
TI  - A remark on hypoelliptic differential and convolution operators
JO  - Colloquium Mathematicum
PY  - 1966
SP  - 111
EP  - 113
VL  - 15
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-15-1-111-113/
DO  - 10.4064/cm-15-1-111-113
LA  - en
ID  - 10_4064_cm_15_1_111_113
ER  -