TY - JOUR AU - D. D. Pervouchine TI - Hierarchy of Closures of Matrix Pencils JO - Journal of Lie theory PY - 2004 SP - 443 EP - 479 VL - 14 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JLT_2004_14_2_JLT_2004_14_2_a5/ ID - JLT_2004_14_2_JLT_2004_14_2_a5 ER -