@article{AL_1965_4_5_a4,
     author = {K. A. Zhevlakov},
     title = {Nil-radical of a {Mal'cev} algebra},
     journal = {Algebra i logika},
     pages = {67--78},
     publisher = {mathdoc},
     volume = {4},
     number = {5},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1965_4_5_a4/}
}