TY - JOUR AU - V. A. Kalyagin TI - Hermite--Pad\'e approximants and spectral analysis of nonsymmetric operators JO - Sbornik. Mathematics PY - 1995 SP - 199 EP - 216 VL - 82 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1995_82_1_a8/ LA - en ID - SM_1995_82_1_a8 ER -