@article{CM_1995__97_1-2_227_0,
     author = {Van der Put, Marius},
     title = {Differential equations in characteristic $p$},
     journal = {Compositio Mathematica},
     pages = {227--251},
     publisher = {Kluwer Academic Publishers},
     volume = {97},
     number = {1-2},
     year = {1995},
     mrnumber = {1355126},
     zbl = {0861.12004},
     language = {en},
     url = {http://www.numdam.org/item/CM_1995__97_1-2_227_0/}
}