Geodesic
On initial-boundary value problem on semiaxis for generalized Kawahara equation
Contemporary Mathematics. Fundamental Directions, Proceedings of the S.M. Nikolskii Mathematical Institute of RUDN University, Tome 65 (2019) no. 4, pp. 683-699

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In this paper, we consider initial-boundary value problem on semiaxis for generalized Kawahara equation with higher-order nonlinearity. We obtain the result on existence and uniqueness of the global solution. Also, if the equation contains the absorbing term vanishing at infinity, we prove that the solution decays at large time values. 
@article{CMFD_2019_65_4_a9,
     author = {A. V. Faminskii and E. V. Martynov},
     title = {On initial-boundary value problem on semiaxis for generalized {Kawahara} equation},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {683--699},
     publisher = {mathdoc},
     volume = {65},
     number = {4},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2019_65_4_a9/}
}
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A. V. Faminskii; E. V. Martynov. On initial-boundary value problem on semiaxis for generalized Kawahara equation. Contemporary Mathematics. Fundamental Directions, Proceedings of the S.M. Nikolskii Mathematical Institute of RUDN University, Tome 65 (2019) no. 4, pp. 683-699. http://geodesic.mathdoc.fr/item/CMFD_2019_65_4_a9/