Martio, O., Rickman, S., & Väisälä, J. (1971). Topological and metric properties of quasiregular mappings. Suomalainen Tiedeakatemia.
Chicago Style (17th ed.) CitationMartio, Olli, Seppo Rickman, and Jussi Väisälä. Topological and Metric Properties of Quasiregular Mappings. Helsinki: Suomalainen Tiedeakatemia, 1971.
MLA (9th ed.) CitationMartio, Olli, et al. Topological and Metric Properties of Quasiregular Mappings. Suomalainen Tiedeakatemia, 1971.
Warning: These citations may not always be 100% accurate.