@article{MZM_1974_15_3_a16,
     author = {I. A. Levina},
     title = {Number of equivalence classes of weakly equivalent lattices},
     journal = {Matemati\v{c}eskie zametki},
     pages = {501--508},
     publisher = {mathdoc},
     volume = {15},
     number = {3},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1974_15_3_a16/}
}