著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Liu Hsu and R. Ortega and G. Damm,A globally convergent frequency estimator,IEEE Transactions on Automatic Control,0018-9286,Institute of Electrical and Electronics Engineers (IEEE),1999-04,44,4,698-713,https://cir.nii.ac.jp/crid/1360011145541889280,https://doi.org/10.1109/9.754808