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
"Ştefan, Balint and Mircea, Reghiș",Characteristic numbers and spectral properties,,"Universitatea din Timisoara, Facultatea de Matematicǎ-Mecanicǎ",1973,Seminarul de Ecuaţii Funcţionale,,,,https://cir.nii.ac.jp/crid/1130576266561349775