@article{RSMUP_1994__92__165_0,
     author = {Peiffer, K.},
     title = {A stability criterion for periodic systems with first integrals},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {165--178},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {92},
     year = {1994},
     mrnumber = {1320485},
     zbl = {0827.34044},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1994__92__165_0/}
}