003700000a22001570004500020001400000060000800014082001800022100002200040100002200062245004700084250000600131260003900137260000900176300000800185650001900193  a007010439  a100  a515.243 3 CHU  aBrown, James Ward  aChurchill, Ruel V  aFourier series and boundary value problems  a3  aLondon, Mc Graw-Hill Kogakusha Ltd  c1978  a271  aFourier series