00596naa#a2200169#i#450# EN\\bibl\7998 20250421110121.1 2308-8877 20151105b2015####ek#y0engy0150####ca RUS RU The cauchy problem for systems elliptic type equations of the first order at special domain Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 3 с. Journal article local Zhuraev D. anni.editorum.ru