00274pam a2200109a 44500008004100000041000800041100002300049245002700072260003900099300000800138700001800146230405s2009    xxu||||| |||| 00| 0 eng d  aENG  aS. Balachandra Rao  aDifferential Equations  aHyderbadbUniversities Pressc2009  a408  aH.R. anuradha