TY - JOUR AU - Su, Yucai TI - Poisson Brackets and Structure of Nongraded Hamiltonian Lie Algebras Related to Locally-Finite Derivations JO - Canadian journal of mathematics PY - 2003 SP - 856 EP - 896 VL - 55 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-2003-036-7/ DO - 10.4153/CJM-2003-036-7 ID - 10_4153_CJM_2003_036_7 ER -