TY - JOUR AU - Alfred Witkowski TI - Optimal weighted harmonic interpolations between Seiffert means JO - Colloquium Mathematicum PY - 2013 SP - 265 EP - 279 VL - 130 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm130-2-8/ DO - 10.4064/cm130-2-8 LA - en ID - 10_4064_cm130_2_8 ER -