00565naa#a2200181#i#450# EN\\bibl\14017 20240503015320.5 1999-8775 20150331b2015####ek#y0engy0150####ca RUS RU Penetration factor of the surfaces in fast algorithm of solution of contact problems for wheel and rail. Journal article Bryansk Bryansk State Technical University 2015 5 с. Journal article local Sakalo Vladimir Sakalo Aleksey bstu.editorum.ru