Sablé-Tougeron, Monique, 1948- Ondes de gradients multidimensionnelles/ Monique Sablé-Tougeron. - Providence, R.I.: American Mathematical Society, 1993. - viii, 93 p. ; 26 cm. - Memoirs of the American Mathematical Society; no. 511 . Includes bibliographical references (p. 92-93). ISBN: 0821825739 LCCN: 93031686 Subjects--Topical Terms: Differential equations, Hyperbolic.Differential equations, Nonlinear.Cauchy problem. Dewey Class. No.: 510 s 515/.353