@phdthesis{BJHTUP11_2009__0773__A1_0,
     author = {Chen, Ke},
     title = {Special subvarieties of mixed {Shimura} varieties},
     series = {Th\`eses d'Orsay},
     publisher = {Universite Paris-Sud Facult\'e des Sciences d'Orsay},
     number = {773},
     year = {2009},
     language = {en},
     url = {http://www.numdam.org/item/BJHTUP11_2009__0773__A1_0/}
}