Mathematical Notes
Mathematical Notes > 2014 > 95 > 1-2 > 3-14
Mathematical Notes > 2014 > 95 > 1-2 > 15-21
Mathematical Notes > 2014 > 95 > 1-2 > 115-120
Mathematical Notes > 2014 > 95 > 1-2 > 32-42
Mathematical Notes > 2014 > 95 > 3-4 > 552-564
Mathematical Notes > 2014 > 95 > 5-6 > 820-832
Mathematical Notes > 2014 > 95 > 5-6 > 753-759