Mathematical Notes
Mathematical Notes > 2014 > 95 > 3-4 > 509-519
Mathematical Notes > 2014 > 95 > 3-4 > 304-307
Mathematical Notes > 2014 > 95 > 3-4 > 374-387
Mathematical Notes > 2014 > 95 > 3-4 > 434-437
Mathematical Notes > 2014 > 95 > 3-4 > 293-303
Mathematical Notes > 2014 > 95 > 3-4 > 407-417
Mathematical Notes > 2014 > 95 > 3-4 > 463-470
Mathematical Notes > 2014 > 95 > 3-4 > 308-315
Mathematical Notes > 2014 > 95 > 3-4 > 565-569
Mathematical Notes > 2014 > 95 > 3-4 > 544-551