Operator Commutation Relations: Commutation Relations for Operators, Semigroups,
125,41 €
(• "So far only commutative operators have been considered and the product law. . is the simplest possible. 56 (1950)) includes pioneering papers of I. E. Segal, I. M. Gelfand, and K. Yosida. "So far only commutative operators have been considered and the product law. . is the simplest possible.
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