@article{RM_1963_18_3_a10,
     author = {A. S. Pekelis},
     title = {Lattice isomorphisms of locally nilpotent torsion-free groups},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {18},
     number = {3},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1963_18_3_a10/}
}