@article{ZNSL_1999_261_a0,
     author = {Yu. I. Babenko and V. A. Zalgaller},
     title = {Power invariants of certain point sets},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {7--30},
     publisher = {mathdoc},
     volume = {261},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1999_261_a0/}
}