00528naa#a2200181#i#450# EN\\bibl\5310 20241213230544.5 1992-5980 20150331b2015####ek#y0engy0150####ca RUS RU Methodological design support for new-generation airship gas-air system Journal article rostov on don Don state technical University 2015 9 с. Journal article local Kirilin Alexander Boldyreva Anna zh-szf.ru