@article{JTNB_2007__19_1_175_0,
     author = {German, Oleg N.},
     title = {Klein polyhedra and  lattices with positive norm minima},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {175--190},
     publisher = {Universit\'e Bordeaux 1},
     volume = {19},
     number = {1},
     year = {2007},
     doi = {10.5802/jtnb.580},
     mrnumber = {2332060},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/jtnb.580/}
}