2024-03-29T11:29:04Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/319212019-05-17T07:01:11Zhdl_2115_30932hdl_2115_4917hdl_2115_123一般化された凸関数とレベル集合Generalized Convex Functions and Level Sets1000070236652田中, 嘉浩TANAKA, Yoshihiroopen access330北海道大学經濟學部HOKKAIDO UNIVERSITY SAPPORO,JAPAN1992-12jpndepartmental bulletin paperVoRhttp://hdl.handle.net/2115/319210451-6265AN00070036經濟學研究ECONOMIC STUDIES4236570https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/31921/1/42%283%29_P65-70.pdfapplication/pdf354.38 KB1992-12