TY - JOUR AU - Aneta Antkowiak TI - Analysis of the efficiency of complex systems JO - Mathematica Applicanda PY - 2017 SP - 127 EP - 152 VL - 45 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/ma.v45i2.6349/ DO - 10.14708/ma.v45i2.6349 LA - pl ID - 10_14708_ma_v45i2_6349 ER -