Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1984__43_132892, author = {Marino Zennaro}, title = {Maximum {Principles} for {Linear} {Difference-Differential} {Opeartors} in {Periodic} {Function} {Spaces.}}, journal = {Numerische Mathematik}, pages = {121--140}, publisher = {mathdoc}, volume = {43}, year = {1984}, zbl = {0509.34070}, url = {http://geodesic.mathdoc.fr/item/NUMA_1984__43_132892/} }
Marino Zennaro. Maximum Principles for Linear Difference-Differential Opeartors in Periodic Function Spaces.. Numerische Mathematik, Tome 43 (1984), pp. 121-140. http://geodesic.mathdoc.fr/item/NUMA_1984__43_132892/