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technique of formula derivation in the theory of simple and multiple hypergeometric functions of one and several variables Abstract It is shown that computation technique of the operator factorization method provides a simple and universal foundation for a new theory of hypergeometric series in any number of variables. Examples showing how the method works(More)
The authors consider the history of Computer Algebra (CA) development and applications at the famous Keldysh Institute of Applied Mathematics (Russia Academy of Science). At the Institute CA was used in the existing systems and their possibilities. An attention is paid to REFAL (REcursive Functions Algorithmic Language), developed in the Institute. The(More)
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