00560naa#a2200169#i#450# EN\INFRA-M\bibl\12829 20240420113223.6 1998-071X 20160425b2016####ek#y0engy0150####ca RUS RU The Calculation of the Cut-in Length of the End Hole of Channel Without Clamping Shoulder by the Acoustic Design Development Journal article Moscow INFRA-M Academic Publishing LLC. 2016 7 с. Journal article local Tupov Vladimir Viktorovich naukaru.ru