00317nam a2200121Ia 4500008004100000041001200041082001600053100001600069245004300085260003900128300000900167650001900176221030s9999    xx            000 0 und d  aEnglish  a105.23bGup  aP. P. Gupta 0aEngineeing Mathematicscby P. P. Gupta  bKrishna PrakashanaNew Delhic1995  a8.76  aBE Mathematics