John Power. The Universal Algebra of Computational Effects: Lawvere Theories and Monads. In Conor McBride, Tarmo Uustalu, editors, Workshop on Mathematically Structured Functional Programming, MSFP@MPC 2006, Kuressaare, Estonia, July 2, 2006. Workshops in Computing, BCS, 2006. [doi]
Abstract is missing.