[2] P. Conrad D. McAllister:
The completion of a lattice ordered group. J. Austral. Math. Soc. 9 (1969), 182-208.
MR 0249340
[3] P. Conrad D. Montgomery:
Lattice ordered groups with rank one components. Czech. Math. J. 25 (1975), 445-453.
MR 0387147
[4] Л. Фукс:
Частично упорядоченные алгебраические сыстемы. Mocквa 1965.
Zbl 1099.01519
[5] J. Jakubík:
Cantor-Bernstein theorem for lattice ordered groups. Czechoslov. Math. J. 22 (1972), 159-175.
MR 0297666
[6] J. Jakubík:
On $\sigma$-complete lattice ordered groups. Czechoslov. Math. J. 23 (1973), 164-174.
MR 0318032
[7] J. Jakubík:
Splitting property of lattice ordered groups. Czechoslov. Math. J. 24 (1974), 257-269.
MR 0349523
[8] J. Jakubík:
Conditionally orthogonally complete $l$-groups Math. Nachrichten 65 (1975), 153-162.
MR 0364050