1. Zhang Shi-sheng, Fixed point theorems of mappings on probabilistic metric spaces with applications,Scientia Sinica (Series A),26, 11 (1983), 1144–1155.
2. Zhang Shi-sheng,Fixed Point Theory and Applications, Chongqing Press, Chongqing (1984). (in Chinese)
3. Zhang Shi-sheng, On the theory of probabilistic metric spaces with applications,Acta Math. Sinica, New Series,1, 4 (1985), 366–377.
4. Zhang Shi-sheng, The metrization of probabilistic metric spaces with applications,Zbornik Radova Prirodno-Matematickog Fakulteta u Novom Sadu, Serija za Matematiku,15, 1 (1985), 107–117.
5. Hicks, T.L. and P.L. Sharma, Probabilistic metric structures: Topological classification, Ibid,14, 1 (1984), 35–42.