TY  - GEN
AU  - Bona,Andrej
AU  - Slawinski, Michael A.
TI  - Wave fronts and rays as characteristics and asymptotics
SN  - 9789814295512
U1  - 515.353 
PY  - 2011///
CY  - New Jersey
PB  - World Scientific
KW  - Physics
KW  - Differential equations, Hyperbolic; Seismic waves; Seismology--Mathematics; Differential equations; Wave mechanics; Wave-motion, Theory of
ER  -