00321nam a2200121Ia 4500008004100000041001200041082001600053100001700069245005200086260003300138300000900171650001900180221030s9999    xx            000 0 und d  aEnglish  a105.23bGre  aB. S. Grewal 0aHigher Engineering Mathematicscby B. S. Grewal  bKhanna Pub.aNew Delhic1998  a1307  aBE Mathematics