00655naa#a2200205#i#450# EN\\bibl\13617 20241213203607.5 1992-5980 20161014b2016####ek#y0engy0150####ca RUS RU Indentation of rough-surfaced spherical punch into elastic transversely isotropic half-space with functionally-graded coating Journal article rostov on don Don state technical University 2016 6 с. Journal article local Sadyrin Evgeniy Volkov Sergey Vasilev Andrey Litvinenko Aleksandr N. zh-szf.ru