标题：A general lemma for fixed-point theorems involving more than two maps in <mml:math alttext="$D$" xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>D</mml:mi></mml:math>-metric spaces with applications
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：2003
卷号：2003
DOI：10.1155/S0161171203206293
出版社：Hindawi Publishing Corporation
摘要：A general procedural lemma for fixed-point theorems for three and four
maps in a D-metric space is proved, and it is further applied for
proving the common fixed-point theorems of three and four maps in a
D-metric space satisfying certain contractive conditions.
