%0 Journal Article %T On coincidence degree for fredholm perturations of pseudo-acyclic multimaps %A Al-Obaidi, D.. %K coincidence degree,Fredgholm operator, pseudo-acyclic multimap %J Actual directions of scientific researches of the XXI century: theory and practice %D 2014 %N 2 %P 3 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov