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
"Kedlaya, Kiran Sridhara and Poonen, Bjorn and Vakil, Ravi","The William Lowell Putnam Mathematical Competition, 1985-2000 : problems, solutions, and commentary",,"MAA Press, an imprint of the American Mathematical Society",2019,Problem books,,9781470451240,,https://cir.nii.ac.jp/crid/1131975279555583872