Wilfried Meidl Ayineedi Venkateswarlu Remarks on the <i>k</i>-error linear complexity of <i>p</i><sup><i>n</i></sup>-periodic sequences. 181-193 2007 42 Des. Codes Cryptography 2 http://dx.doi.org/10.1007/s10623-006-9029-2 db/journals/dcc/dcc42.html#MeidlV07