Cite
Residuation in semigroups of pre-closures.
MLA
Boyd, C. “Residuation in Semigroups of Pre-Closures.” Semigroup Forum, vol. 11, no. 1, June 1975, pp. 328–36. EBSCOhost, https://doi.org/10.1007/BF02195274.
APA
Boyd, C. (1975). Residuation in semigroups of pre-closures. Semigroup Forum, 11(1), 328–336. https://doi.org/10.1007/BF02195274
Chicago
Boyd, C. 1975. “Residuation in Semigroups of Pre-Closures.” Semigroup Forum 11 (1): 328–36. doi:10.1007/BF02195274.