Morozov, Oleg I. A recursion operator for the universal hierarchy equation via Cartan’s method of equivalence. (English) Zbl 1404.58030 Cent. Eur. J. Math. 12, No. 2, 271-283 (2014). MSC: 58H05 58J70 35A30 37K05 37K10 PDFBibTeX XMLCite \textit{O. I. Morozov}, Cent. Eur. J. Math. 12, No. 2, 271--283 (2014; Zbl 1404.58030) Full Text: DOI arXiv
Morozov, Oleg I. Contact integrable extensions and differential coverings for the generalized \((2 + 1)\)-dimensional dispersionless Dym equation. (English) Zbl 1339.37059 Cent. Eur. J. Math. 10, No. 5, 1688-1697 (2012). MSC: 37K10 37K25 37K35 35A30 PDFBibTeX XMLCite \textit{O. I. Morozov}, Cent. Eur. J. Math. 10, No. 5, 1688--1697 (2012; Zbl 1339.37059) Full Text: DOI