@article{ZNSL_1981_112_a4,
     author = {V. A. Erokhin},
     title = {Theta-series of even unimodular lattices},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {59--70},
     publisher = {mathdoc},
     volume = {112},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1981_112_a4/}
}