ψ-Contraction and $$(\phi ,\varphi )$$ ( ϕ , φ ) -contraction in Menger probabilistic metric space
Crossref DOI link: https://doi.org/10.1186/s40064-016-1795-3
Published Online: 2016-02-29
Published Print: 2016-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Ma, Pengcheng
Guan, Jinyu
Tang, Yanxia
Xu, Yongchun
Su, Yongfu http://orcid.org/0000-0001-8656-471X
License valid from 2016-02-29
