Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) J. Pastor,LIMIT ANALYSIS OF GEOTECHNICAL PROBLEMS BY APPLYING LOWER-BOUND THEOREM :,土質工学会論文報告集 = Journal of the Japanese Society of Soil Mechanics and Foundation Engineering : soils and foudations,03851621,東京 : 土質工学会,1986-09,26,3,p150-152,https://cir.nii.ac.jp/crid/1520010380254103296,