00632naa#a2200181#i#450# EN\\bibl\8000 20250416233051.3 2308-8877 20151105b2015####ek#y0engy0150####ca RUS RU Asymptotic solution of singularly perturbed cauchy problem for first-order equation in a banach space Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 2 с. Journal article local Zubova S. Uskov V. anni.editorum.ru