00429nam a22001217a 4500020002400000082001300024100004200037245003700079260002400116300003200140500002000172650011500192  a9788184876505 (pbk)  a515bKHA  aKhan, Vakeel AaEsi AyhanaAhmad Ayaz  aBasics of differential equations  aIndiabNarosac2019  av, 248 p.b: ill.c; 24 cm.  aIncludes index.  aDifferentialsaEquationsvSpecial functionsvCalculus of variationvLaplace transformvPartial equationsvFBSH