Mathematical and Computer Modelling
Mathematical and Computer Modelling > 2004 > 39 > 11-12 > 1243-1259
Mathematical and Computer Modelling > 2004 > 40 > 13 > 1509-1525
Mathematical and Computer Modelling > 2004 > 39 > 11-12 > 1243-1259
Mathematical and Computer Modelling > 2004 > 40 > 13 > 1509-1525