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Название: Mathematical Physics
Автор: Butkov E.
A complete and unabridged reprint of (he original American textbook, this World Student Series edition may be sold only in those countries to which it is consigned by Addison-Wesley or its authorized trade distributors. It may not be re-exported from the country to which it has been consigned, and i( may not be sold in the United Stales of America or its possessions.