Gürses M.Habibulin, I.Zheltukhin, K.2015-07-282015-07-2820070022-2488http://hdl.handle.net/11693/13558The concept of integrable boundary value problems for soliton equations on ℝ and ℝ+ is extended to regions enclosed by smooth curves. Classes of integrable boundary conditions in a disk for the Toda lattice and its reductions are found. © 2007 American Institute of Physics.EnglishArticle10.1063/1.27992561089-7658