00411nam a22001097a 4500020001000000082001700010100002000027245005600047260003500103300003300138650013000171  a(pbk)  a515.35	bIQB  aMuhammad Iqbal.  aAn easy approach to ordinary differential equations  aLahorebIlmi Kitab Khanac2019  avi, 142 p.b: ill.c; 23 cm.  aDifferential equations, Partial. aMathvFourier seriesvBoundary value problemsvVibrating stringsvNumerical methods vFSSH