[1] P. Conrad, D. McAlister: The completion of a lattice ordered group. Journ. Austral. Math. Soc. 9 (1969), 182–208. DOI 10.1017/S1446788700005760 | MR 0249340

[2] J. Jakubík: Representations and extensions of $\ell $-groups. Czechoslovak Math. J. 13 (1963), 267–283. (Russian)

[3] J. Jakubík: Cantor-Bernstein theorem for lattice ordered groups. Czechoslovak Math. J. 22 (1972), 159–175. MR 0297666

[4] L. V. Kantorovič, B. Z. Vulich, A. G. Pinsker: Functional analysis in semiordered spaces. Moskva, 1950. (Russian)

[5] R. Sikorski: A generalization of theorem of Banach and Cantor-Bernstein. Coll. Math. 1 (1948), 140–144. MR 0027264

[6] R. Sikorski: Boolean algebras. Second Edition. Springer Verlag, Berlin, 1964. MR 0126393

[7] A. Tarski: Cardinal algebras. New York, . Zbl 0041.34502