00318nam a2200121Ia 4500008004100000041001200041082001600053100001600069245004400085260003900129300000900168650001900177221030s9999    xx            000 0 und d  aEnglish  a105.23bGup  aP. P. Gupta 0aEngineering Mathematicscby P. P. Gupta  bKrishan PrakashanaNew Delhic1995  a8.76  aBE Mathematics