Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Naidu, Desineni S. and Rao, Ayalasomayajula K.",Singular perturbation analysis of discrete control systems,,Springer-Verlag,1985,Lecture notes in mathematics,,"3540159819,0387159819",,https://cir.nii.ac.jp/crid/1130000793793158656