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@article{AM2_1985__29_137076, author = {Frantisek Neumann}, title = {A vector functional equation and linear differential equations.}, journal = {Aequationes mathematicae}, pages = {19--23}, publisher = {mathdoc}, volume = {29}, year = {1985}, zbl = {0593.39006}, url = {http://geodesic.mathdoc.fr/item/AM2_1985__29_137076/} }
Frantisek Neumann. A vector functional equation and linear differential equations.. Aequationes mathematicae, Tome 29 (1985), pp. 19-23. http://geodesic.mathdoc.fr/item/AM2_1985__29_137076/