TY  - BOOK
TI  - Nonlinear evolution equations that change type
T2  - The IMA volumes in mathematics and its applications
SN  - 0387973532 (Springer-Verlag New York Berlin Heidelberg : acid-free paper) | 3540973532 (Springer-Verlag Berlin Heidelberg New York : acid-free paper)
PY  - 1990///
CY  - New York
PB  - Springer-Verlag
N1  - Based on the proceedings of a workshop which was an integral part of the 1988-89 IMA program on nonlinear waves"--Foreword."
ER  -