TY  - BOOK
AU  - Ayres,Frank
TI  - Theory and problems of differential equations
PY  - 1952///
CY  - New York: 
PB  - Schaum
KW  - ECUACIONES
KW  - INIST
KW  - PARTIAL DIFFERENTIAL EQUATIONS
KW  - CONVERGENCIA (SERIES)
KW  - BESSEL DIFFERENTIAL EQUATION
KW  - LEGENDRE POLYNOMIALS
KW  - FUNCION DE GAUSS
ER  -