Fourier series and boundary value problems, 2nd edition /
Churchill, Ruel.
Fourier series and boundary value problems, 2nd edition / Ruel Churchill. - [S.l.] : McGraw-Hill, 1969. - 0 p. ; 24 cm.
Fourier series and boundary value problems, 2nd edition / Ruel Churchill. - [S.l.] : McGraw-Hill, 1969. - 0 p. ; 24 cm.