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ЛИТЕРАТУРА
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M. Giraudet, F. Lucas, “Groups à moitié ordonnés”, Fundam. Math., 139:2 (1991), 75–89 |
| 2. |
V. M. Kopytov, N. Ya. Medvedev, The theory of lattice-ordered groups, Math. Appl. (Dordrecht), 307, Kluwer Academic Publ., Dordrecht, 1994 |
| 3. |
P. F. Conrad, “Free lattice-ordered groups”, J. Algebra, 16:2 (1970), 191–203 |
| 4. |
C. Holland, E. Scrimger, “Free products of lattice-ordered groups”, Algebra Univers., 2 (1972), 247–254 |