Rudolf Ahlswede Faina I. Solov'eva A Diametric Theorem in Z <sup>n</sup><sub>m</sub> for Lee and Related Distances. 1-10 2008 ICMCTA http://dx.doi.org/10.1007/978-3-540-87448-5_1 conf/icmcta/2008 db/conf/icmcta/icmcta2008.html#AhlswedeS08