00402nam a2200157Ia 4500008004000000020001800040041000800058082001600066100002700082245003600109260004400145300001100189650001300200650001400213650001700227210210b2008   xxu||||| |||| 00| 0 eng d  a9788120336384  aeng  a515.35 BISO  aBISWAL (Purna Chandra)  aOrdinary differential equations  aNew DelhibPHI Learning Pvt. Ltd.c2008  axi,332  aOrdinary  aequations  adifferential