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An approximate method for calculation of hydrodynamic characteristics for the motion of elastico-viscoplastic media in pipes. (Russian) Zbl 0494.76003

MSC:

76A10 Viscoelastic fluids
76A99 Foundations, constitutive equations, rheology, hydrodynamical models of non-fluid phenomena
41A10 Approximation by polynomials
33C45 Orthogonal polynomials and functions of hypergeometric type (Jacobi, Laguerre, Hermite, Askey scheme, etc.)