TY  - BOOK
AU  - Churchill, Ruel V
TI  - Fourier series and boundary value problems
U1  - 517.35 
PY  - 1963///
CY  - New York
PB  - Mc Graw-Hill
KW  - Boundary value problems
KW  - Differential equations, partial- physics
KW  - Fourier series
KW  - Functions, Bessel
ER  -