@incollection{AST_2009__328__255_0,
     author = {Mathai, Varghese and Melrose, Richard B. and Singer, Isadore M.},
     title = {The index of projective families of elliptic operators: the decomposable case},
     booktitle = {From probability to geometry (II) - 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 = {255--296},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {328},
     year = {2009},
     mrnumber = {2674880},
     zbl = {1207.19006},
     language = {en},
     url = {http://www.numdam.org/item/AST_2009__328__255_0/}
}