Chalub, Fabio A. C. C.; Zubelli, Jorge P. Huygens’ principle for hyperbolic operators and integrable hierarchies. (English) Zbl 1091.35077 Physica D 213, No. 2, 231-245 (2006). MSC: 35Q53 37K10 35Q55 PDFBibTeX XMLCite \textit{F. A. C. C. Chalub} and \textit{J. P. Zubelli}, Physica D 213, No. 2, 231--245 (2006; Zbl 1091.35077) Full Text: DOI
Chalub, Fabio A. C. C.; Zubelli, Jorge P. Huygens’ principle, Dirac operators, and rational solutions of the AKNS hierarchy. (English) Zbl 1088.37035 Math. Phys. Anal. Geom. 8, No. 3, 187-210 (2005). MSC: 37K10 35Q58 35B40 PDFBibTeX XMLCite \textit{F. A. C. C. Chalub} and \textit{J. P. Zubelli}, Math. Phys. Anal. Geom. 8, No. 3, 187--210 (2005; Zbl 1088.37035) Full Text: DOI