00544naa#a2200181#i#4500001001500000003001700015005001700032011001400049100004100063101000800104102000700112200009500119210005400214215001000268608002700278700001900305856003800324EN\\bibl\14222/en/manage/index20250214133918.5##a1999-8775##a20150930b2015####ek#y0engy0150####ca0#aRUS##aRU1#aPeriodic vibrations of nongomogeneous  string with clamped and free ends.eJournal article1#aBryanskcBryansk State Technical Universityd2015##a9 с.##aJournal article2local#1aRudakovgIgor 4#afht.editorum.ruu/en/manage/index