%0 Journal Article %A V. G. Zvyagin %A N. M. Ratiner %T Oriented degree of Fredholm maps: finite-dimensional reduction method %J Contemporary Mathematics. Fundamental Directions %D 2012 %P 3-171 %V 44 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMFD_2012_44_a0/ %G ru %F CMFD_2012_44_a0