TY - JOUR AU - D. O. Logofet TI - Projection matrices revisited: a~potential-growth indicator and the merit of indication JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2012 SP - 41 EP - 63 VL - 17 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2012_17_6_a2/ LA - ru ID - FPM_2012_17_6_a2 ER -