期刊名称：International Journal of Mathematics and Mathematical Sciences
印刷版ISSN：0161-1712
电子版ISSN：1687-0425
出版年度：1986
卷号：9
DOI：10.1155/S0161171286000406
出版社：Hindawi Publishing Corporation
摘要：Our main theorem establishes the uniqueness of the common fixed point of two set-valued mappings and of two single-valued mappings defined on a complete metric space,
under a contractive condition and a weak commutativity concept. This improves a theorem
of the second author.
