ψ-Contraction and [Formula: see text]-contraction in Menger probabilistic metric space

Pengcheng Ma1, Jinyu Guan1, Yanxia Tang1

  • 1Department of Mathematics, College of Science, Hebei North University, Zhangjiakou, 075000 People's Republic of China.

Springerplus
|March 31, 2016
PubMed

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