Mathematical Notes
Mathematical Notes > 2002 > 71 > 5-6 > 676-683
Mathematical Notes > 2004 > 75 > 3-4 > 352-359
Mathematical Notes > 2005 > 78 > 5-6 > 631-640
Mathematical Notes > 2014 > 96 > 1-2 > 204-207
Mathematical Notes > 2014 > 96 > 3-4 > 369-378
Mathematical Notes > 2016 > 99 > 1-2 > 253-260
Mathematical Notes > 2016 > 100 > 3-4 > 550-560
Mathematical Notes > 2017 > 101 > 1-2 > 71-86
Mathematical Notes > 2017 > 101 > 1-2 > 379-381
Mathematical Notes > 2017 > 101 > 1-2 > 260-264
Mathematical Notes > 2017 > 101 > 1-2 > 149-156
Mathematical Notes > 2018 > 103 > 1-2 > 118-132
Mathematical Notes > 2018 > 103 > 3-4 > 513-526
Mathematical Notes > 2018 > 104 > 1-2 > 231-243
Mathematical Notes > 2018 > 104 > 1-2 > 74-85
Mathematical Notes > 2019 > 105 > 1-2 > 227-235
Mathematical Notes > 2019 > 105 > 1-2 > 8-15