TY - JOUR AU - FERGUSON, JAMES T. TI - SECOND-ORDER DEFORMATIONS OF HYDRODYNAMIC-TYPE POISSON BRACKETS JO - Glasgow mathematical journal PY - 2009 SP - 75 EP - 82 VL - 51 IS - A UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089508004795/ DO - 10.1017/S0017089508004795 ID - 10_1017_S0017089508004795 ER -