@article{AL_1996_35_3_a1,
     author = {S. A. Gurchenkov},
     title = {On the finite basis property of varieties of $l$-groups},
     journal = {Algebra i logika},
     pages = {268--287},
     publisher = {mathdoc},
     volume = {35},
     number = {3},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1996_35_3_a1/}
}