References
- Schonbek , M.E. 1982 . Convergencejof solutions to nonlinear dispersive equations . Comm. in Partial Differential Equations , 7 : 959 – 1000 .
- Tartar , T. 1979 . Compensated compactness and applications to partial differential equations . Heriot-Watt Symposium , 4 : 136 – 212 .