TY  - GEN
AU  - Colombini,F
AU  - Lerner,Nicolas
TI  - Geometrical optics and related topics
SN  - 0817639586 (acid-free paper)
U1  - 535 
PY  - 1997///
CY  - Boston
PB  - Birkhèauser
KW  - Geometrical optics
KW  - Mathematics
KW  - Nonlinear wave equations
N1  - Contine bibliogr. dupa capitole
ER  -