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Интеллектуальная Система Тематического Исследования НАукометрических данных |
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We discuss the relationship, suggested by P. Dirac and V. Fock, between classical canonical transformations and unitary operators and its realization in semiclassical asymptotics provided by the Maslov canonical operator. An application is given to semiclassical problems related to the run-up problem in the long water wave theory. The research was supported by the Russian Science Foundation under grant no. 16-11-10282.