00518naa#a2200181#i#450# EN\INFRA-M\bibl\7319 20250103064920.5 2712-9640 20160617b2016####ek#y0engy0150####ca RUS RU New capabilities of Chetaev´s model Journal article Moscow INFRA-M Academic Publishing LLC. 2016 6 с. Journal article local Savin Mihail Georgievich Izrailsky Yuriy Grigoryevich zh-szf.ru