TY - BOOK AU - Churchill,Ruel V. TI - Fourier series and boundary value problems AV - QA404 .C6 1963 U1 - 517.355 PY - 1963///] CY - New York PB - McGraw-Hill KW - Fourier series KW - Functions, Orthogonal KW - Boundary value problems N1 - Includes bibliography ER -