@article{MZM_2004_76_3_a9,
     author = {S. V. Platonova},
     title = {Varieties of {Two-Step} {Solvable} {Algebras} of {Type~(1,1)}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {409--419},
     publisher = {mathdoc},
     volume = {76},
     number = {3},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2004_76_3_a9/}
}