%0 Journal Article %T METHOD OF DETERMINING A POSTERIORI ERROR ESTIMATION IN CALCULATIONS OF COMPOSITE SHELLS USING MULTIGRID FINITE ELEMENTS %A Grishanov, A.. %K a posteriori error estimates, L2 norm, discrete model, convergence of solution sequence, elasticity, cylindrical shell, multigrid finite elements %J Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics %D 2018 %N %P 9 %I Astrakhan State Technical University