Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Bejancu, Aurel",Geometry of CR-submanifolds,,"D. Reidel Pub. Co,Sold and distributed in the U.S.A. and Canada by Kluwer Academic Publishers",1986,Mathematics and its applications,,9027721947,,https://cir.nii.ac.jp/crid/1130000794364835328