A characterization of hyperbolic convolution operators

MR0231071 Kakita, Takao Takao KAKITA A characterization of hyperbolic convolution operators Funkcialaj Ekvacioj. Serio Internacia 10 1967 167--174 http://fe.math.kobe-u.ac.jp/FE/Free/vol10/fe10-12.pdf http://fe.math.kobe-u.ac.jp/FE/FE_pdf_with_bookmark/FE01-10-en_KML/fe10-167-174/fe10-167-174.pdf http://www.ams.org/mathscinet-getitem?mr=MR0231071 fe10-167-174 1967 A Characterization of Hyperbolic Convolution Operators KAKITA, Takao KAKITA, Takao 1 Bourbaki, N. Espaces vectoris topologiques chap.3-4 Paris 1955 MR0077882

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