Open Mathematics
Open Mathematics > 2014 > 12 > 4 > 648-657
Open Mathematics > 2014 > 12 > 4 > 611-622
Open Mathematics > 2014 > 12 > 4 > 623-635
Open Mathematics > 2014 > 12 > 4 > 584-592
Open Mathematics > 2014 > 12 > 4 > 603-610
Open Mathematics > 2014 > 12 > 4 > 545-558
Open Mathematics > 2014 > 12 > 4 > 574-583
Open Mathematics > 2014 > 12 > 4 > 559-573
Open Mathematics > 2014 > 12 > 4 > 593-602
Open Mathematics > 2014 > 12 > 4 > 636-647