Shen, C. Y., & Sound, A. Contractive mappings on a premetric space. Wiley.
Chicago Style (17th ed.) CitationShen, C. Y., and A. Sound. Contractive Mappings on a Premetric Space. Wiley.
MLA (9th ed.) CitationShen, C. Y., and A. Sound. Contractive Mappings on a Premetric Space. Wiley.
Warning: These citations may not always be 100% accurate.