Mathematical Notes
Mathematical Notes > 2001 > 69 > 5-6 > 593-604
Mathematical Notes > 2003 > 74 > 1-2 > 3-11
Mathematical Notes > 2004 > 75 > 1-2 > 93-100
Mathematical Notes > 2005 > 78 > 1-2 > 164-169
Mathematical Notes > 2005 > 78 > 3-4 > 320-328
Mathematical Notes > 2005 > 78 > 5-6 > 696-708
Mathematical Notes > 2006 > 80 > 3-4 > 509-517
Mathematical Notes > 2014 > 95 > 5-6 > 686-696
Mathematical Notes > 2015 > 97 > 1-2 > 213-229
Mathematical Notes > 2015 > 97 > 5-6 > 815-817
Mathematical Notes > 2015 > 98 > 3-4 > 636-652
Mathematical Notes > 2016 > 99 > 1-2 > 82-90
Mathematical Notes > 2017 > 101 > 3-4 > 542-565
Mathematical Notes > 2017 > 101 > 3-4 > 484-487
Mathematical Notes > 2018 > 103 > 1-2 > 271-289
Mathematical Notes > 2018 > 103 > 3-4 > 372-377
Mathematical Notes > 2018 > 104 > 1-2 > 309-315