TY  - JOUR
AU  - C.R. Putnam
TI  - A Note on Inverses of Differential Operators.
JO  - Mathematische Zeitschrift
PY  - 1956
SP  - 149
EP  - 150
VL  - 64
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1956__64_169561/
ID  - MZ_1956__64_169561
ER  -