%0 Journal Article %A Cempel, C. %T Decomposition of the symptom observation matrix and grey forecasting in vibration condition monitoring of machines %J International Journal of Applied Mathematics and Computer Science %D 2008 %P 569-579 %V 18 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IJAMCS_2008_18_4_a12/ %G en %F IJAMCS_2008_18_4_a12