ОЦЕНКА МАКСИМАЛЬНОЙ РЕГУЛЯРНОСТИ ДЛЯ ДИФФЕРЕНЦИАЛЬНОГО УРАВНЕНИЯ С КОЛЕБЛЮЩИМИСЯ КОЭФФИЦИЕНТАМИ... by A. N. Yesbayev, K. N. Ospanov

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The solvability conditions for the second order nonlinear differential equation with unbounded coefficients in L2(R) by A.N. Yesbayev, M.N. Ospanov

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On the integral equation of the boundary value problem for the essentially loaded differential heat operator by A.N. Yesbayev, G.A. Yessenbayeva

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THE TWO-SIDED ESTIMATES OF THE FREDHOLM RADIUS AND COMPACTNESS CONDITIONS FOR THE OPERATOR ASSOCIATED WITH A SECOND-ORDER DIFFERENTIAL EQUATION by K. N. Ospanov, A. N. Yesbayev

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On the boundary value problem for the vibration and wave processes in two-dimensional environs by A.N. Yesbayev, G.A. Yessenbayeva, I.A. Ivanov

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On the function approximation by trigonometric polynomials and the properties of families of function classes over harmonic intervals by G.A. Yessenbayeva, A.N. Yesbayev, N.K. Syzdykova, M.A. Smirnova

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On the function approximation by trigonometric polynomials and the properties of families of function classes over harmonic intervals by G.A. Yessenbayeva, A.N. Yesbayev, N.K. Syzdykova, M.A. Smirnova

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On the solution of boundary value problems by the spectral element method by I.A. Ivanov, A.N. Yesbayev, G.A. Yessenbayeva, M.I. Ramazanov

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