%0 Journal Article %A V. V. Taratunin %T Structure of the essential spectrum of evolution operators of nonstationary neutron transport %J Funkcionalʹnyj analiz i ego priloženiâ %D 1981 %P 91-92 %V 15 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1981_15_3_a12/ %G ru %F FAA_1981_15_3_a12