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Sur les systèmes différentiels à coefficients constants. (On differential systems with constant coefficients). (French) Zbl 0231.46073
Equ. Derivees partielles, Paris 1962, Colloques internat. Centre nat. Rech. sci. 117, 113-122 (1963).

46F10 Operations with distributions and generalized functions
46F05 Topological linear spaces of test functions, distributions and ultradistributions