@article{ZNSL_2006_330_a14,
     author = {A. Tsurkov},
     title = {Geometrical equivalence of nilpotent groups},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {259--270},
     publisher = {mathdoc},
     volume = {330},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2006_330_a14/}
}