Moggi, Eugenio. “Notions of Computation and Monads”. Information and Computation, vol. 93, no. 1, 1991, pp. 55-92, https://doi.org/10.1016/0890-5401(91)90052-4.
Moggi, E. (1991). Notions of computation and monads. Information and Computation, 93(1), 55-92. https://doi.org/10.1016/0890-5401(91)90052-4
Moggi E. Notions of computation and monads. Information and Computation. 1991;93(1):55-92.