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2. P. Antosik, J. Mikusi?ski, and R. Sikorski, Theory of Distributions. The Sequential Approach, Elsevier, Amsterdam (1973).
3. G. S. Arzumanyan, ?m-Operational calculus and its application to equations,? Sb. Nauchn. Tr. Arm. Gos. Zaochn. Pedagog. Inst., No. 6, Pt. 2, 81?111 (1976).
4. A. I. Botashev, ?On a generalization of Mikusi?ski's operational calculus,? in: Materials of the First Conf. Young Scientists Acad. Sci. Kirghiz SSR, 1965 [in Russian], Ilim, Frunze (1970), pp. 109?113.
5. Yu. A. Brychkov and A. P. Prudnikov, Integral Transforms of Generalized Functions [in Russian], Nauka, Moscow (1977).