Van der Linden, T. (2014). Zbl 1294.18001: Schreier split epimorphisms in monoids and in semirings (D. Bourn, N. Martins-Ferreira, A. Montoli, M. Sobral). Zentralblatt für Mathematik und ihre Grenzgebiete. Published. https://hdl.handle.net/2078.5/59931 (Original work published 2014)