@article{DOCMA_2003__8__a13,
     author = {van der Geer, G. and Katsura, T.},
     title = {On the height of {Calabi-Yau} varieties in positive characteristic},
     journal = {Documenta mathematica},
     pages = {97--113},
     publisher = {mathdoc},
     volume = {8},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2003__8__a13/}
}