@article{10_4064_cm89_2_3,
     author = {Rolf Farnsteiner and Gerhard R\"ohrle and Detlef Voigt},
     title = {Infinitesimal unipotent group schemes
of complexity 1},
     journal = {Colloquium Mathematicum},
     pages = {179--192},
     publisher = {mathdoc},
     volume = {89},
     number = {2},
     year = {2001},
     doi = {10.4064/cm89-2-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm89-2-3/}
}