Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
KOYAMA AKIRA,Compact Multi-Retractions and Shape Theory (Shape Theory and Topological Spaces),数理解析研究所講究録,1880-2818,京都大学数理解析研究所,1981-12,,445,66-74,https://cir.nii.ac.jp/crid/1570854177523529216,