Statistics & Probability Letters
Statistics and Probability Letters > 2003 > 64 > 4 > 403-406
Statistics and Probability Letters > 2003 > 65 > 1 > 29-37
Statistics and Probability Letters > 2003 > 64 > 4 > 403-406
Statistics and Probability Letters > 2003 > 65 > 1 > 29-37