@InCollection{zbMATH00218250,
Author = {Craig, W. and Kappeler, T. and Strauss, W.},
Title = {Infinite gain of regularity for dispersive evolution equations},
BookTitle = {Microlocal analysis and nonlinear waves. Proceedings of a workshop which was an integral part of the 1988-1989 IMA program on nonlinear waves},
ISBN = {0-387-97591-8},
Pages = {47--50},
Year = {1991},
Publisher = {New York etc.: Springer-Verlag},
Language = {English},
Keywords = {35Q53,35B65},
zbMATH = {218250},
Zbl = {0767.35076}
}