00578naa#a2200193#i#450# EN\INFRA-M\bibl\10526 /en/manage/index 20250301023656.6 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. fht.editorum.ru /en/manage/index