TY - JOUR AU - B. Z. Shapiro TI - Linear differential equations and real flag manifolds JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1989 SP - 92 EP - 93 VL - 23 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1989_23_1_a22/ LA - ru ID - FAA_1989_23_1_a22 ER -