@article{MASLO_1992__42_4_a5,
     author = {Gurchenkov, Sergei A.},
     title = {About varieties of weakly abelian $\ell$-groups},
     journal = {Mathematica slovaca},
     pages = {437--441},
     publisher = {mathdoc},
     volume = {42},
     number = {4},
     year = {1992},
     mrnumber = {1195037},
     zbl = {0769.06009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1992__42_4_a5/}
}