@article{DOCMA_2013__18__a21,
     author = {Buium, Alexandru},
     title = {P-jets of finite algebras. {I:} $p$-divisible groups},
     journal = {Documenta mathematica},
     pages = {943--969},
     publisher = {mathdoc},
     volume = {18},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2013__18__a21/}
}