TY - JOUR AU - Patryk MiziuĊ‚a TI - Stochastic orders and ageing classes JO - Mathematica Applicanda PY - 2012 SP - 105 EP - 125 VL - 40 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/ma.v40i1.271/ DO - 10.14708/ma.v40i1.271 LA - pl ID - 10_14708_ma_v40i1_271 ER -