1. CMS Books in Mathematics;DM Arnold,2000
2. Bautista, R., Dorado, I.: Algebraically equipped posets. I. Bol. Soc. Mat. Mex 23, 557–609 (2017)
3. Belousov, K.I., Nazarova, L.A., Roiter, A.V., Sergejchuk, V.V.: Elementary and multi elementary representations of vectoroids. Ukr. Math. J. 47(11), 1661-1687 (1995) (in Russian)
4. English transl., Ukr. Mat. Zh. 47(11), 1451-1477 (1995)
5. Bondarenko, V.M., Zavadskij, A.G.: Posets with an equivalence relation of tame type and of finite growth. Can. Math. Soc. Conf. Proc. 11, 67–88 (1991)