Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Siu, Yum-Tong and Trautmann, G",Gap-sheaves and extension of coherent analytic subsheaves,,Springer-Verlag,1971,Lecture notes in mathematics,,"3540052941,0387052941",,https://cir.nii.ac.jp/crid/1130282270863803264