Balk, Alexander M. Rossby wave extra invariant in the Galerkin approximation. (English) Zbl 1375.76211 Phys. Lett., A 381, No. 31, 2510-2513 (2017). MSC: 76W05 65L60 82D10 76E25 PDFBibTeX XMLCite \textit{A. M. Balk}, Phys. Lett., A 381, No. 31, 2510--2513 (2017; Zbl 1375.76211) Full Text: DOI
Balk, Alexander M.; Yoshikawa, Toshio The Rossby wave extra invariant in the physical space. (English) Zbl 1160.37392 Physica D 238, No. 4, 384-394 (2009). MSC: 37K05 37N10 76B65 76B15 PDFBibTeX XMLCite \textit{A. M. Balk} and \textit{T. Yoshikawa}, Physica D 238, No. 4, 384--394 (2009; Zbl 1160.37392) Full Text: DOI
Balk, Alexander M.; Van Heerden, Francois Conservation style of the extra invariant for Rossby waves. (English) Zbl 1200.86003 Physica D 223, No. 1, 109-120 (2006). MSC: 86A05 76B55 PDFBibTeX XMLCite \textit{A. M. Balk} and \textit{F. Van Heerden}, Physica D 223, No. 1, 109--120 (2006; Zbl 1200.86003) Full Text: DOI
Balk, Alexander M. Angular distribution of Rossby wave energy. (English) Zbl 1345.76021 Phys. Lett., A 345, No. 1-3, 154-160 (2005). MSC: 76B65 PDFBibTeX XMLCite \textit{A. M. Balk}, Phys. Lett., A 345, No. 1--3, 154--160 (2005; Zbl 1345.76021) Full Text: DOI
Balk, A. M.; Ferapontov, E. V. Invariants of wave systems and web geometry. (English) Zbl 0913.76008 Zakharov, V. E. (ed.), Nonlinear waves and weak turbulence. Transl. from the Russian. Providence, RI: AMS, American Mathematical Society. Transl., Ser. 2, Am. Math. Soc. 182 (36), 1-30 (1998). MSC: 76B15 53A60 78A40 76X05 PDFBibTeX XMLCite \textit{A. M. Balk} and \textit{E. V. Ferapontov}, Transl., Ser. 2, Am. Math. Soc. 182, 1--30 (1998; Zbl 0913.76008)
Balk, A. M. New conservation laws for the interaction of nonlinear waves. (English) Zbl 0874.35089 SIAM Rev. 39, No. 1, 68-94 (1997). Reviewer: V.A.Sava (Iaşi) MSC: 35Q35 35Q58 76B15 76B65 PDFBibTeX XMLCite \textit{A. M. Balk}, SIAM Rev. 39, No. 1, 68--94 (1997; Zbl 0874.35089) Full Text: DOI