TY JOUR TI THE MODELING OF THE CONTACT OF THICK ELASTIC LAYER BASED ON WINKLER TYPE OF VARIABLE LEVEL AGAINST VERTICAL WALL KW numerical simulation KW elastic plate KW or-thogonal polynomials KW Winkler type JO Bulletin of KSAU AU Bogulsky, I.O. PY 2018 IS PB Krasnoyarsk State Agrarian University