An introduction to the theory of hyperfunctions -- Edge of the wedge theorem and hyperfunction -- Solutions Hyperfonctions Du Probleme De Cauchy -- On the global existence of real analytic solutions of linear differential equations -- Fundamental principle and extension of solutions of linear differential equations with constant coefficients -- On abstract cauchy problems in the sense of hyperfunction -- On a markovian property of stationary gaussian processes with a multi-dimensional parameter -- Ultradistributions and hyperfunctions -- Hyperfunctions and linear partial differential equations -- Relative cohomology of sheaves of solutions of differential equations -- Theory of microfunctions -- Foundation of the theory of pseudo-differential equations -- Structure of systems of pseudo-differential equations