Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ITO Teruo and TAKATA Shigeo,Exsistance Theorem and Error Bound of Numerical Solutior for Optimal Control Problems of Continuous Systems,Transactions of the Society of Instrument and Control Engineers,04534654,The Society of Instrument and Control Engineers,1982,18,7,647-652,https://cir.nii.ac.jp/crid/1390001204503480448,https://doi.org/10.9746/sicetr1965.18.647