@incollection{AST_2009__327__361_0,
     author = {Bost, Jean-Beno{\^\i}t and K\"unnemann, Klaus},
     title = {Hermitian vector bundles and extension groups on arithmetic schemes {II.} {The} arithmetic {Atiyah} extension},
     booktitle = {From probability to geometry (I) - Volume in honor of the 60th birthday of Jean-Michel Bismut},
     editor = {Dai Xianzhe and L\'eandre R\'emi and Xiaonan Ma and Zhang Weiping},
     series = {Ast\'erisque},
     pages = {361--424},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {327},
     year = {2009},
     mrnumber = {2642363},
     zbl = {1200.14049},
     language = {en},
     url = {http://archive.numdam.org/item/AST_2009__327__361_0/}
}