Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YAMADA Minoru and XU Li and SAITO Osami,2D Optimal Control in a Practical Sense and Its Application to Learning Control Systems,"Transactions of the Institute of Systems, Control and Information Engineers",13425668,"THE INSTITUTE OF SYSTEMS, CONTROL AND INFORMATION ENGINEERS (ISCIE)",1999,12,12,702-710,https://cir.nii.ac.jp/crid/1390282680142332672,https://doi.org/10.5687/iscie.12.702