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
"Harstad, Birgitt",Goursat problems of Gyunter type for entire functions in two variables,,"Universitetet i Oslo, Matematisk institutt",1971,Preprint series,,,,https://cir.nii.ac.jp/crid/1130008895919390482