Statistics & Probability Letters
Statistics and Probability Letters > 2003 > 63 > 1 > 35-39
Statistics and Probability Letters > 2003 > 65 > 4 > 343-351
Statistics and Probability Letters > 2003 > 63 > 1 > 35-39
Statistics and Probability Letters > 2003 > 65 > 4 > 343-351