@article{AL_1996_35_6_a1,
     author = {T. A. Andreeva and I. V. L'vov and V. K. Kharchenko},
     title = {On rings of quotients of free algebras},
     journal = {Algebra i logika},
     pages = {655--662},
     publisher = {mathdoc},
     volume = {35},
     number = {6},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1996_35_6_a1/}
}