TY - JOUR AU - Justyna Jarczyk AU - Janusz Matkowski TI - Invariance in the class of weighted quasi-arithmetic means JO - Annales Polonici Mathematici PY - 2006 SP - 39 EP - 51 VL - 88 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap88-1-3/ DO - 10.4064/ap88-1-3 LA - en ID - 10_4064_ap88_1_3 ER -