Mehmet Ozen Irfan Siap Linear Codes over F<sub>q</sub>[u]/(u<sup>s</sup>) with Respect to the Rosenbloom-Tsfasman Metric. 17-29 2006 38 Des. Codes Cryptography 1 http://dx.doi.org/10.1007/s10623-004-5658-5 db/journals/dcc/dcc38.html#OzenS06