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Дата последнего поиска статьи во внешних источниках: 26 сентября 2016 г.
Аннотация:The paper develops the approach to discretization of complex analysis suggested by S.\,P.~Novikov and the author in~2003. Under this approach discrete analytic functions are real-valued. It is shown in this paper that a large class of such functions admits a canonical multiplication by the imaginary unit. Arbitrary lattices are considered for the triangular discretization and rhombic lattices for the quadrangular one.