@article{AA_2007_19_6_a0,
     author = {L. A. Bokut' and K. P. Shum},
     title = {Relative {Gr\"obner--Shirshov} bases for algebras and groups},
     journal = {Algebra i analiz},
     pages = {1--21},
     publisher = {mathdoc},
     volume = {19},
     number = {6},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2007_19_6_a0/}
}