TY  - BOOK
AU  - John,Fritz
TI  - Plane waves and spherical means applied to partial differential equations
PY  - 1955///
CY  - New York: 
PB  - Interscience Publishers. 
KW  - PARTIAL DIFFERENTIAL EQUATIONS
KW  - INIST
KW  - ECUACIONES DIFERENCIALES PARCIALES
KW  - WAVE PROPAGATION
ER  -