@article{AIF_2009__59_7_2685_0,
     author = {Buium, Alexandru and Simanca, Santiago R.},
     title = {Arithmetic differential equations in several variables},
     journal = {Annales de l'Institut Fourier},
     pages = {2685--2708},
     publisher = {Association des Annales de l{\textquoteright}institut Fourier},
     volume = {59},
     number = {7},
     year = {2009},
     doi = {10.5802/aif.2504},
     mrnumber = {2649337},
     zbl = {1198.12003},
     language = {en},
     url = {https://aif.centre-mersenne.org/articles/10.5802/aif.2504/}
}