TY - JOUR AU - K. Yu. Osipenko TI - Blaschke products which have the least deviation from zero JO - Matematičeskie zametki PY - 1990 SP - 71 EP - 80 VL - 47 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1990_47_5_a9/ LA - ru ID - MZM_1990_47_5_a9 ER -