@article{MZ_1991__208_3_174319,
     author = {Jan Stienstra and Marius van der Put},
     title = {On p-adic monodromy.},
     journal = {Mathematische Zeitschrift},
     pages = {309--326},
     publisher = {mathdoc},
     volume = {208},
     number = {3},
     year = {1991},
     zbl = {0748.14006},
     url = {http://geodesic.mathdoc.fr/item/MZ_1991__208_3_174319/}
}