Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) LEE Fi Hyol and AKIZUKI Kageo,A Design of Variable Structure Control System with Random Input and an Optimal Switching Surface,Transactions of the Society of Instrument and Control Engineers,04534654,The Society of Instrument and Control Engineers,1985,21,11,1143-1149,https://cir.nii.ac.jp/crid/1390282679481118720,https://doi.org/10.9746/sicetr1965.21.1143