%0 Journal Article %A I. E. Tananko %A N. P. Fokina %T An analysis method of open queueing networks with a degradable structure and instantaneous repair times of systems %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2020 %P 266-276 %V 20 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2020_20_2_a11/ %G ru %F ISU_2020_20_2_a11