Ukrainian Mathematical Journal
Ukrainian Mathematical Journal > 2015 > 67 > 4 > 552-563
Ukrainian Mathematical Journal > 2015 > 67 > 4 > 625-640
Ukrainian Mathematical Journal > 2015 > 67 > 4 > 641-647
Ukrainian Mathematical Journal > 2015 > 67 > 4 > 648-651
Ukrainian Mathematical Journal > 2015 > 67 > 4 > 564-583
Ukrainian Mathematical Journal > 2015 > 67 > 5 > 785-794
Ukrainian Mathematical Journal > 2015 > 67 > 5 > 711-722
Ukrainian Mathematical Journal > 2015 > 67 > 5 > 735-747
Ukrainian Mathematical Journal > 2015 > 67 > 5 > 748-763
Ukrainian Mathematical Journal > 2015 > 67 > 5 > 658-667
Ukrainian Mathematical Journal > 2015 > 67 > 5 > 668-679
Ukrainian Mathematical Journal > 2015 > 67 > 5 > 723-734
Ukrainian Mathematical Journal > 2015 > 67 > 5 > 795-813
Ukrainian Mathematical Journal > 2015 > 67 > 5 > 764-784
Ukrainian Mathematical Journal > 2015 > 67 > 5 > 690-710
Ukrainian Mathematical Journal > 2015 > 67 > 5 > 680-689
Ukrainian Mathematical Journal > 2015 > 67 > 6 > 916-927
Ukrainian Mathematical Journal > 2015 > 67 > 6 > 853-865
Ukrainian Mathematical Journal > 2015 > 67 > 6 > 881-890