%0 Journal Article %A P. P. Zabreiko %T Mathematical theory of geometric Koopmans model %J Trudy Instituta matematiki %D 2015 %P 43-55 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMB_2015_23_2_a5/ %G ru %F TIMB_2015_23_2_a5