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Yang, Zaifu (2009-12-01) [2004 (FBA working paper no. 210, Yokohama National University)]. "Discrete fixed point analysis and its applications". Journal of Fixed Point Theory and Applications. 6 (2): 351–371. doi:10.1007/s11784-009-0130-9. ISSN1661-7746. S2CID122640338.
Iimura, Takuya; Yang, Zaifu (2009-12-01). "A study on the demand and response correspondences in the presence of indivisibilities". Journal of Fixed Point Theory and Applications. 6 (2): 333–349. doi:10.1007/s11784-009-0131-8. ISSN1661-7746. S2CID121519442.
Yang, Zaifu (2009-12-01) [2004 (FBA working paper no. 210, Yokohama National University)]. "Discrete fixed point analysis and its applications". Journal of Fixed Point Theory and Applications. 6 (2): 351–371. doi:10.1007/s11784-009-0130-9. ISSN1661-7746. S2CID122640338.
Iimura, Takuya; Yang, Zaifu (2009-12-01). "A study on the demand and response correspondences in the presence of indivisibilities". Journal of Fixed Point Theory and Applications. 6 (2): 333–349. doi:10.1007/s11784-009-0131-8. ISSN1661-7746. S2CID121519442.
Yang, Zaifu (2008-11-01). "On the Solutions of Discrete Nonlinear Complementarity and Related Problems". Mathematics of Operations Research. 33 (4): 976–990. doi:10.1287/moor.1080.0343. ISSN0364-765X.