著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Beem, John K. and Woo, Peter Y.",Doubly timelike surfaces,,American Mathematical Society,1969,Memoirs of the American Mathematical Society,,,,https://cir.nii.ac.jp/crid/1130282271257640320