@article{ASNSP_1998_4_27_3-4_427_0,
     author = {Galanis, George N. and Vassiliou, Efstathios E.},
     title = {A {Floquet-Liapunov} theorem in {Fr\'echet} spaces},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {427--436},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 27},
     number = {3-4},
     year = {1998},
     mrnumber = {1678010},
     zbl = {0932.34061},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1998_4_27_3-4_427_0/}
}