@article{SIGMA_2011_7_a37,
     author = {Claudia Chanu and Luca Degiovanni and Giovanni Rastelli},
     title = {First {Integrals} of {Extended} {Hamiltonians} in $n+1$ {Dimensions} {Generated} by {Powers} of an {Operator}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2011},
     volume = {7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2011_7_a37/}
}