Gadzhiev, I. T.; Gerdzhikov, V. S.; Ivanov, M. I. Hamiltonian structures of nonlinear evolution equations connected with a polynomial pencil. (English) Zbl 0597.35112 J. Sov. Math. 34, 1923-1932 (1986). MSC: 35Q99 81U20 81Q05 PDFBibTeX XMLCite \textit{I. T. Gadzhiev} et al., J. Sov. Math. 34, 1923--1932 (1986; Zbl 0597.35112) Full Text: DOI
Gerdzhikov, V. S.; Ivanov, M. I.; Kulish, P. P. Expansions over the ”squared” solutions and difference evolution equations. (English) Zbl 0554.35118 J. Math. Phys. 25, 25-34 (1984). MSC: 35Q99 35P25 35R30 PDFBibTeX XMLCite \textit{V. S. Gerdzhikov} et al., J. Math. Phys. 25, 25--34 (1984; Zbl 0554.35118) Full Text: DOI
Gerdzhikov, V. S.; Ivanov, M. I. The quadratic bundle of general form and the nonlinear evolution equations. II: Hierarchies of structures. (Russian) Zbl 0522.35082 Bulg. J. Phys. 10, 130-143 (1983). MSC: 35Q99 35P25 81U99 PDFBibTeX XMLCite \textit{V. S. Gerdzhikov} and \textit{M. I. Ivanov}, Bulg. J. Phys. 10, 130--143 (1983; Zbl 0522.35082)
Gerdzhikov, V. S.; Ivanov, M. I. The quadratic bundle of a general form and the nonlinear evolution equations. I: Expansions over the ”squared” solutions: generalized Fourier transform. (Russian) Zbl 0522.35081 Bulg. J. Phys. 10, 13-26 (1983). MSC: 35Q99 35P25 42A38 81U99 PDFBibTeX XMLCite \textit{V. S. Gerdzhikov} and \textit{M. I. Ivanov}, Bulg. J. Phys. 10, 13--26 (1983; Zbl 0522.35081)
Gadzhiev, I. T.; Gerdzhikov, V. S.; Ivanov, M. I. Hamiltonian structures of nonlinear evolution equations associated with a polynomial bundle. (Russian) Zbl 0514.35078 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 120, 55-68 (1982). MSC: 35Q99 81U20 81Q05 PDFBibTeX XMLCite \textit{I. T. Gadzhiev} et al., Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 120, 55--68 (1982; Zbl 0514.35078)
Gerdzhikov, V. S.; Ivanov, M. I.; Kulish, P. P. Quadratic bundle and nonlinear equations. (English) Zbl 0454.35071 Theor. Math. Phys. 44, 784-795 (1981). MSC: 35P25 35Q99 47A40 35J10 PDFBibTeX XMLCite \textit{V. S. Gerdzhikov} et al., Theor. Math. Phys. 44, 784--795 (1981; Zbl 0454.35071) Full Text: DOI
Gerdzhikov, V. S.; Ivanov, M. I.; Kulish, P. P. Quadratic bundle and nonlinear equations. (Russian) Zbl 0439.35055 Teor. Mat. Fiz. 44, 342-357 (1980). MSC: 35P25 35Q99 47A40 35J10 PDFBibTeX XMLCite \textit{V. S. Gerdzhikov} et al., Teor. Mat. Fiz. 44, 342--357 (1980; Zbl 0439.35055)