1. D. T. Anderson and M. Roitman, A characterization of cancellation ideals, Proc. Amer. Math. Soc., 125(10) (1997), 2853–2854.
2. W. H. Cornish, Congruences on distributive pseudocomplemented lattices, Bull. Aust. Math. Soc., 8(2) (1973), 161–179.
3. M. A. Erbay, U. Tekir and S. Koc, r-ideals of commutative semigroups, Internat. J. Algebra, 10(11) (2016), 525–533.
4. V. K. Garg, Introduction to Lattice Theory with Computer Science Applications, John Wiley and Sons, 2015.
5. G. Gratzer, General Lattice Theory, Birkhauser, Basel, 1998.
6. R. Mohamadian, r-ideals in commutative rings, Turkish J. Math., 39(5) (2015), 733–749.
7. J. Picado and A. Pultr, Frames and Locales: Topology without Points, Frontiers in Mathematics, Springer Basel, 2012.
8. T. P. Speed, Spaces of ideals of distributive lattices II. Minimal prime ideals, J. Aust. Math. Soc., 18(1) (1974), 54–72.