TY JOUR TI Axisymmetric bending of circular sandwich plate on elastic foundation with complicated structure KW inhomogeneous materials KW sandwich plate KW functionally-graded coating KW axisymmetric problem KW analytical methods KW approximate analytical solution. JO Vestnik of Don State Technical University AU Melkonyan, A.. AU Ayzikovich, S.. AU Volkov, S.. PY 2014 IS 14 PB Don state technical University