Geodesic
A non-Abelian variety of lattice-ordered groups in which every soluble $l$-group is Abelian
Sbornik. Mathematics, Tome 54 (1986) no. 1, pp. 239-257 
V. M. Kopytov. A non-Abelian variety of lattice-ordered groups in which every soluble $l$-group is Abelian. Sbornik. Mathematics, Tome 54 (1986) no. 1, pp. 239-257. http://geodesic.mathdoc.fr/item/SM_1986_54_1_a11/
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     title = {A~non-Abelian variety of lattice-ordered groups in which every soluble $l$-group is {Abelian}},
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Voir la notice de l'article provenant de la source Math-Net.Ru

The author proposes a new scheme of a collecting process in groups, and by means of it constructs a non-Abelian variety of lattice-ordered groups in which every soluble $l$-group is Abelian. This variety is a previously unknown cover of the variety of Abelian lattice-ordered groups. Bibliography: 8 titles.

[1] “Problems lists. Ordered algebraic structures”, Notice Amer. Math. Soc., 29 (1982), 327

[2] Kargapolov M. I., Merzlyakov Yu. I., Osnovy teorii grupp, Nauka, M., 1981 | MR

[3] Kopytov V. M., Itogi nauki. Uporyadochennye gruppy. Algebra. geometriya. topologiya, 19, VINITI, M., 1981, 3–29 | MR | Zbl

[4] Maltsev A. I., Algebraicheskie sistemy, Nauka, M., 1970 | MR | Zbl

[5] Scrimger E. B., “A large class of small varieties of lattice-ordered groups”, Proc. Amer. Math. Soc., 51 (1975), 301–306 | DOI | MR | Zbl

[6] Medvedev N. Ya., “O reshetke mnogoobrazii reshetochno uporyadochennykh grupp i algebr Li”, Algebra i logika, 16:1 (1977), 40–45 | MR | Zbl

[7] Gurchenkov S. A., “O minimalnykh mnogoobraziyakh $l$-grupp”, Algebra i logika, 21:2 (1982), 131–137 | MR | Zbl

[8] Kopytov V. M., “O mnogoobraziyakh $l$-grupp”, XVII Vsesoyuznaya algebraicheskaya konferentsiya (tez. dokl.), ch. 1, Minsk, 1983, 101 | Zbl