@article{AL_2004_43_3_a4,
     author = {V. A. Roman'kov and N. G. Khisamiev},
     title = {Constructive {Matrix} and {Orderable} {Groups}},
     journal = {Algebra i logika},
     pages = {353--363},
     publisher = {mathdoc},
     volume = {43},
     number = {3},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2004_43_3_a4/}
}