00525naa#a2200181#i#450# EN\INFRA-M\bibl\10526 20241122122312.5 1998-071X 20151225b2015####ek#y0engy0150####ca RUS RU Spectral Analysis in Solving Problems of Managing Accident Rate in Aviation Journal article Moscow INFRA-M Academic Publishing LLC. 2015 4 с. Journal article local Popov Yuriy Kumenko A. zh-szf.ru