TY - JOUR AU - C. Roger TI - Double extensions of Lie algebras of Kac–Moody type and applications to some Hamiltonian systems JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2013 SP - 364 EP - 382 VL - 174 IS - 3 UR - http://geodesic.mathdoc.fr/item/TMF_2013_174_3_a1/ LA - ru ID - TMF_2013_174_3_a1 ER -