TY - JOUR AU - A. O. Vatulyan AU - D. K. Plotnikov AU - A. A. Poddubny TI - On some models of indentation for functionally-graded coatings JO - Izvestiya of Saratov University. Mathematics. Mechanics. Informatics PY - 2018 SP - 421 EP - 432 VL - 18 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ISU_2018_18_4_a5/ LA - ru ID - ISU_2018_18_4_a5 ER -