00537naa#a2200181#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200010000102210005400202215001000256608002700266700001900293700002200312856002100334EN\\bibl\1431920241002170241.3##a1999-8775##a20140930b2014####ek#y0engy0150####ca0#aRUS##aRU1#aPeriodic solutions of a quasilinear wave equations with variable coefficients.eJournal article1#aBryanskcBryansk State Technical Universityd2014##a8 с.##aJournal article2local#1aRudakovgIgor #1aLukavyygAleksey 4#abstu.editorum.ru