Gandzha, I.S., Sedletsky, Y.V. and Dutykh, D.S. 2014. High-Order Nonlinear Schrödinger Equation for the Envelope of Slowly Modulated Gravity Waves on the Surface of Finite-Depth Fluid and its Quasi-Soliton Solutions. Ukrainian Journal of Physics. 59, 12 (Dec. 2014), 1201. DOI:https://doi.org/10.15407/ujpe59.12.1201.