TY - JOUR AU - Seiya Nishiyama AU - João da Providência AU - Constança Providência AU - Flávio Cordeiro AU - Takao Komatsu TI - Self-Consistent-Field Method and $\tau$-Functional Method on Group Manifold in Soliton Theory: a Review and New Results JO - Symmetry, integrability and geometry: methods and applications PY - 2009 VL - 5 UR - http://geodesic.mathdoc.fr/item/SIGMA_2009_5_a8/ LA - en ID - SIGMA_2009_5_a8 ER -