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
"Krupka, D. and Janyška, Josef",Lectures on differential invariants,,Univerzita J.E. Purkyně,1990,Folia Facultatis Scientiarum Naturalium Universitatis Purkynianae Brunensis : Monographia,,8021001658,,https://cir.nii.ac.jp/crid/1130282273313408896