%0 Journal Article %A Seiya Nishiyama %A João da Providência %A Constança Providência %A Flávio Cordeiro %A Takao Komatsu %T Self-Consistent-Field Method and $\tau$-Functional Method on Group Manifold in Soliton Theory: a Review and New Results %J Symmetry, integrability and geometry: methods and applications %D 2009 %V 5 %U http://geodesic.mathdoc.fr/item/SIGMA_2009_5_a8/ %G en %F SIGMA_2009_5_a8