@article{ZNSL_2000_272_a7,
     author = {F. J. Grunewald and B. \`E. Kunyavskii and D. B. Nikolova and E. B. Plotkin},
     title = {Two-variable identities in groups and {Lie} algebras},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {161--176},
     publisher = {mathdoc},
     volume = {272},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2000_272_a7/}
}