00648naa#a2200181#i#4500001001400000003001700014005001700031011001400048100004100062101000800103102000700111200011800118210013700236215001000373608002700383700001700410856003900427EN\\bibl\2887/en/manage/index20250215234756.6##a2308-8877##a20140616b2014####ek#y0engy0150####ca0#aRUS##aRU1#aSpectrum of a non -self-adjoint differential operators with block-triangular matrix coefficientseJournal article1#aVoronezhcFSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozovd2014##a4 с.##aJournal article2local#1aKholkingA. 4#atest.editorum.ruu/en/manage/index