00262nam a2200097Ia 4500008004100000082001900041100001800060245003000078260004400108300001200152240817s9999    xx            000 0 und d  a510.2462 K96,a  aKreyszig , E. 0aAdvancec engg mothematics  c1983a New Delhib Willely Eastern Ltd.  a1-17 p.