@article{FPM_2012_17_8_a9,
     author = {J. V. Kostromina},
     title = {Warfield's duality and {Malcev's} matrix},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {77--94},
     publisher = {mathdoc},
     volume = {17},
     number = {8},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2012_17_8_a9/}
}