An elementary treatise on Fourier's series:

Byerly, William Elwood

An elementary treatise on Fourier's series: and spherical, cylindrical, and ellipsoidal harmonics with applications to problems in mathematical physics. - New York, Dover, 1959. - ix, 287 p.: il. graf.; - Dover books on mathematics . - Dover books on mathematics .


FOURIER TRANSFORMATION
TRANSFORAMCIONES INTEGRALES
SPHERICAL HARMONICS
LAPLACE EQUATION