TY - JOUR AU - Constantin Costara TI - On the spectral Nevanlinna–Pick problem JO - Studia Mathematica PY - 2005 SP - 23 EP - 55 VL - 170 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm170-1-2/ DO - 10.4064/sm170-1-2 LA - en ID - 10_4064_sm170_1_2 ER -