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 "Motreanu, D. and Pavel, N. H. (Nicolae H.)","Tangency, flow invariance for differential equations, and optimization problems",,Marcel Dekker,1999,Monographs and textbooks in pure and applied mathematics,,0824773411,,https://cir.nii.ac.jp/crid/1130282272342873472