@article{AA_1999_11_4_a0,
     author = {V. N. Berestovskii and V. M. Gichev},
     title = {Metrized left-invariant orders on topological groups},
     journal = {Algebra i analiz},
     pages = {1--34},
     publisher = {mathdoc},
     volume = {11},
     number = {4},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1999_11_4_a0/}
}