00334nam a2200121Ia 4500008004100000082002100041100002200062245004700084260003800131300000900169630001800178650001600196211109s9999||||xx |||||||||||||| ||und|| a515.243 3bCHU-F aChurchill, Ruel V 0aFourier Series and Boundary Value Problems bMcgraw Hill CompanyaLondonc1968 a248p xGeneral Stack vMathematics