@article{RM_1964_19_5_a10,
     author = {L. N. Shevrin},
     title = {The lattice-subsemigroup characteristic of orderable groups},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {19},
     number = {5},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1964_19_5_a10/}
}