00706naa#a2200193#i#4500001001400000005001700014011001400031100004100045101000800086102000700094200015800101210013700259215001000396608002700406700001900433700001900452700002000471856002100491EN\\bibl\938020250106062212.1##a2308-8877##a20151105b2015####ek#y0engy0150####ca0#aRUS##aRU1#aСистемы дифференциальных уравнений с положительно определенной матрицейeJournal article1#aVoronezhcFSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozovd2015##a4 с.##aJournal article2local#1aPetshauergM. #1aUryvskayagT. #1aKanishchevgV. 4#aanni.editorum.ru