Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Alekseevskiĭ, Dmitriĭ Vladimirovich and Gamkrelidze, Revaz Valerianovich and Lychagin, V. V. (Valentin Vasilʹevich) and Vinogradov, A. M. (Aleksandr Mikhaǐlovich)",Basic ideas and concepts of differential geometry,,Springer-Verlag,1991,Encyclopaedia of mathematical sciences,,"3540519998,0387519998",,https://cir.nii.ac.jp/crid/1130000798167391104