@article{MAIS_2012_19_4_a5,
     author = {V. G. Durnev},
     title = {On one {A.\,I.~Mal'cev's} {Question} from the {``Kourovskaya} {Notebook''}},
     journal = {Modelirovanie i analiz informacionnyh sistem},
     pages = {67--71},
     publisher = {mathdoc},
     volume = {19},
     number = {4},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAIS_2012_19_4_a5/}
}