TY - JOUR AU - Shur, Walter TI - A simple closed form for triangular matrix powers JO - The electronic journal of linear algebra PY - 2011 SP - 1000 EP - 1003 VL - 22 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ELA_2011__22__a13/ LA - en ID - ELA_2011__22__a13 ER -