@article{AL_1999_38_5_a5,
     author = {V. T. Filippov},
     title = {On centers of {Mal'tsev} and alternative algebras},
     journal = {Algebra i logika},
     pages = {613--635},
     year = {1999},
     volume = {38},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1999_38_5_a5/}
}