%0 Journal Article %A D. O. Logofet %T Projection matrices revisited: a~potential-growth indicator and the merit of indication %J Fundamentalʹnaâ i prikladnaâ matematika %D 2012 %P 41-63 %V 17 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2012_17_6_a2/ %G ru %F FPM_2012_17_6_a2