| Title:
             | 
On covers in the lattice of representable $\ell$-varieties (English) | 
| Author:
             | 
Medvedev, N. Ya. | 
| Author:
             | 
Morozova, S. V. | 
| Language:
             | 
English | 
| Journal:
             | 
Czechoslovak Mathematical Journal | 
| ISSN:
             | 
0011-4642 (print) | 
| ISSN:
             | 
1572-9141 (online) | 
| Volume:
             | 
48 | 
| Issue:
             | 
4 | 
| Year:
             | 
1998 | 
| Pages:
             | 
821-831 | 
| . | 
| Category:
             | 
math | 
| . | 
| MSC:
             | 
06F15 | 
| MSC:
             | 
06F20 | 
| MSC:
             | 
08B15 | 
| idZBL:
             | 
Zbl 0952.06022 | 
| idMR:
             | 
MR1658210 | 
| . | 
| Date available:
             | 
2009-09-24T10:18:58Z | 
| Last updated:
             | 
2020-07-03 | 
| Stable URL:
             | 
http://hdl.handle.net/10338.dmlcz/127458 | 
| . | 
| Reference:
             | 
[1] N. Ya. Medvedev: On the lattice of $o$-approximable $\ell $-varieties.Czech. Math. J. 34 (109) (1984), 6–17. (Russian) MR 0731975 | 
| Reference:
             | 
[2] V. M. Kopytov, N. Ya. Medvedev: The Theory of Lattice-Ordered Groups.Kluwer Academic Publishers, Dordrecht-Boston-London, 1994. MR 1369091 | 
| Reference:
             | 
[3] V. M. Kopytov: Lattice-Ordered Groups.Moscow, Nauka, 1984. (Russian) Zbl 0567.06011, MR 0806956 | 
| Reference:
             | 
[4] M. I. Kargapolov, Yu. I. Merzlyakov: Fundamentals of the Theory of Groups.Springer, Berlin, 1979. MR 0551207 | 
| Reference:
             | 
[5] A. G. Kurosh: Theory of Groups.Moscow, Nauka, 1967. (Russian) MR 0249495 | 
| Reference:
             | 
[6] M. E. Huss, N. R. Reilly: On reversing the order of a lattice-ordered group.J. Algebra 9 (1984), 176–191. MR 0765778, 10.1016/0021-8693(84)90133-9 | 
| Reference:
             | 
[7] M. Anderson, M. Darnel, T. Feil: A variety of lattice-ordered groups containing all representable covers of the abelian variety.Order 7 (1991), 401–405. MR 1120986, 10.1007/BF00383204 | 
| Reference:
             | 
[8] S. V. Molochko, S. V. Morozova: On the theory of varieties of lattice-ordered groups.Sib. Math. J. 38, N 1 (1997), 151–160. (Russian) MR 1446681 | 
| . |