TY - JOUR AU - Cempel, C. TI - Decomposition of the symptom observation matrix and grey forecasting in vibration condition monitoring of machines JO - International Journal of Applied Mathematics and Computer Science PY - 2008 SP - 569 EP - 579 VL - 18 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IJAMCS_2008_18_4_a12/ LA - en ID - IJAMCS_2008_18_4_a12 ER -