Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1956__64_169561, author = {C.R. Putnam}, title = {A {Note} on {Inverses} of {Differential} {Operators.}}, journal = {Mathematische Zeitschrift}, pages = {149--150}, publisher = {mathdoc}, volume = {64}, year = {1956}, zbl = {0070.12104}, url = {http://geodesic.mathdoc.fr/item/MZ_1956__64_169561/} }
C.R. Putnam. A Note on Inverses of Differential Operators.. Mathematische Zeitschrift, Tome 64 (1956), pp. 149-150. http://geodesic.mathdoc.fr/item/MZ_1956__64_169561/