Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YAMASHITA Katsumi and TANIGUCHI Tsuneo,A Method for Designing an Optimal Observer Using a Nonlinear Transformation,Transactions of the Society of Instrument and Control Engineers,04534654,The Society of Instrument and Control Engineers,1984,20,2,93-100,https://cir.nii.ac.jp/crid/1390282679479095040,https://doi.org/10.9746/sicetr1965.20.93