[1] KEPKA T.: Semirings whose additive endomorphisms are multiplicative. Comment. Math. Univ. Carolin. 34 (1993), 213-219. MR 1241729 | Zbl 0787.16029

[2] PONDELICEK B.: Inverse semirings and their lattice of congruences. Czechoslovak Math. J. 46(121) (1996), 513-522. MR 1408302 | Zbl 0885.16027

[3] SALIJ V. N.: To the theory of inverse semirings. Izv. Vyssh. Uchebn. Zaved. Mat. 3(82) (1969), 52-60. (Russian) MR 0254102

[4] JEŽEK J.-KEPKA T.-NĚMEC P.: Distributive groupoids. Rozpravy Československé Akademie Věd Řada Mat. Přírod. Věd 91/3 (1981). MR 0672563 | Zbl 0484.20031