著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI)
Stancu DD,Approximation of function by a new class of polynomial operators,Revue Roumaine de Mathématiques Pures et Appliquées. Romanian Journal of Pure and Applied Mathematics. Ed. Acad. Române,,,1968,13,8,1173,https://cir.nii.ac.jp/crid/1370565164571100049,