Ma, W.X.; Fuchssteiner, B.; Oevel, W. - In: Physica A: Statistical Mechanics and its Applications 233 (1996) 1, pp. 331-354
A 3 × 3 matrix spectral problem for AKNS soliton hierarchy is introduced and the corresponding Bargmann symmetry constraint involving Lax pairs and adjoint Lax pairs is discussed. An explicit new Poisson algebra is proposed and thus the Liouville integrability is established for the...
