Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "MARUYAMA, Toru",THE ARKIN-LEVIN'S VARIATIONAL PROBLEM AND AN INFINITE DIMENSIONAL LJAPUNOV MEASURE,Keio economic studies,0022-9709,"Keio Economic Society, Keio University",1981,18,2,81-97,https://cir.nii.ac.jp/crid/1050564287356064128,