On the Riemann problem for a prototype of a mixed type conservation law II Helge Holden Lars Holden Publication details Journal: Contemporary Mathematics, vol. 100, p. 331–367–37, Sunday 1. January 1989 International Standard Numbers: Printed: 0271-4132 Electronic: 1098-3627 Lars Holden Research Director You are here: Home Publications Scientific article On the Riemann problem for a prototype of a mixed type conservation law II