00527naa#a2200181#i#450# EN\\bibl\14119 20241204121508.3 1999-8775 20150630b2015####ek#y0engy0150####ca RUS RU Limits of applicability of the Hertz solution for contact problem. Journal article Bryansk Bryansk State Technical University 2015 4 с. Journal article local Sakalo Vladimir Sakalo Aleksey bstu.editorum.ru