TY - JOUR AU - González Gascón, Francisco AU - Aguirre Dabán, Eduardo PY - 1982 SN - 0375-9601 UR - https://hdl.handle.net/20.500.14352/64797 T2 - Physics Letters A AB - We obtain the first integrals Tr(Rk) by using a differential equation of the Lax type of simpler structure than the one obtained in a recent paper. Certain questions raised in this paper on the relation between noncanonical symmetries S and complete... M2 - 384 PB - Elsevier TI - Notes on a paper by Lutzky on the noncanonical symmetries of Hamiltonian systems: “Noncanonical symmetries and isospectral representations of Hamiltonian systems” TY - journal article VL - 91 ER -