TY - JOUR AU - M. Ghasemi Kamalvand AU - Kh. D. Ikramov TI - Low-rank perturbations of symmetric matrices and their condensed forms under unitary congruences JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 2009 SP - 595 EP - 600 VL - 49 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_2009_49_4_a0/ LA - ru ID - ZVMMF_2009_49_4_a0 ER -