@article{MAN_1990__288_1_164741,
     author = {Adolfo Quir\'os},
     title = {On the divisibility properties of families of filtered {F-crystals.}},
     journal = {Mathematische Annalen},
     pages = {389--412},
     publisher = {mathdoc},
     volume = {288},
     number = {1},
     year = {1990},
     zbl = {0692.14010},
     url = {http://geodesic.mathdoc.fr/item/MAN_1990__288_1_164741/}
}