Cauchy Problem for Differential Operators with Double Characteristics : Non-Effectively Hyperbolic Characteristics

by Nishitani, Tatsuo
Published 2017

Hyperbolic Systems with Analytic Coefficients : Well-posedness of the Cauchy Problem

by Nishitani, Tatsuo
Published 2014

The Hyperbolic Cauchy Problem

by Kajitani, Kunihiko, Nishitani, Tatsuo
Published 1991