Ježek, J., & Kepka, T. (1983). Medial groupoids. Academia.
Chicago Style (17th ed.) CitationJežek, Jaroslav, and Tomáš Kepka. Medial Groupoids. Praha: Academia, 1983.
MLA (9th ed.) CitationJežek, Jaroslav, and Tomáš Kepka. Medial Groupoids. Academia, 1983.
Warning: These citations may not always be 100% accurate.