Hyperbolic equations :
Hyperbolic equations :
- Burnt Mill, Harlow, Essex, England : | New York : Longman Scientific & Technical ; | Wiley, 1987
- 286 p. ; 25 cm.
- Pitman research notes in mathematics series, 158 .
English and French.
0470208694 (Wiley : pbk.) | 0582988918 (pbk.)
English and French.
0470208694 (Wiley : pbk.) | 0582988918 (pbk.)