Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KAMISHIMA Yoshinobu,"Bochner flat structures from the viewpoint of spherical, Heisenberg CR-geometry",Geometry and Analysis on CR-manifolds Inst. of Math.Academia Sinica 12,,,2003,,,13-19,https://cir.nii.ac.jp/crid/1010282256755626756,