00395    a2200145   4500020002200000041000900022082001800031100002000049245004500069260004200114300002300156530000600179650005200185653001200237  a978-0-486-65973-2  aEng.  a530.15bD293f  aDavis, Harry F.  aFourier series and orthogonal functions.  aNew York:bDover Publications,c1989.  axii, 403p.billus.  aM  aMathematical physicsaFourier seriesaFunctions  aPhysics