TY - BOOK AU - Churchill,Ruel Vance AU - Churchill,Ruel Vance AU - Brown,James Ward TI - Fourier series and boundary value problems.-3rd ed. SN - 0070108439 PY - 1978/// CY - New York PB - McGraw-Hill KW - Fourier series KW - Functions -Orthogonal KW - boundary value problems N1 - Includes index ER -