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@article{MAN_1979__245_163313, author = {Kimimasa Nishiwada}, title = {Constant {Coefficient} {Differential} {Operators} with {Slowly} {Spreading} {Solutions.}}, journal = {Mathematische Annalen}, pages = {101--116}, publisher = {mathdoc}, volume = {245}, year = {1979}, zbl = {0422.35018}, url = {http://geodesic.mathdoc.fr/item/MAN_1979__245_163313/} }
Kimimasa Nishiwada. Constant Coefficient Differential Operators with Slowly Spreading Solutions.. Mathematische Annalen, Tome 245 (1979), pp. 101-116. http://geodesic.mathdoc.fr/item/MAN_1979__245_163313/