00325nam a2200133Ia 4500008004100000020001500041041001200056082002100068100002000089245003100109260002800140300001200168650001100180231217s9999    xx            000 0 und d  a8185015694  aEnglish  a621.3811  CHE;16  aCheng, David K. 0aAnalysis of linear systems  c1959bNarosaaNew Delhi  axv, 435  alinear