Vestnik St. Petersburg University, Mathematics
Vestnik St. Petersburg University, Mathematics > 2018 > 51 > 1 > 15-22
Vestnik St. Petersburg University, Mathematics > 2018 > 51 > 1 > 82-86
Vestnik St. Petersburg University, Mathematics > 2018 > 51 > 1 > 87-94
Vestnik St. Petersburg University, Mathematics > 2018 > 51 > 1 > 9-14
Vestnik St. Petersburg University, Mathematics > 2018 > 51 > 1 > 23-30
Vestnik St. Petersburg University, Mathematics > 2018 > 51 > 1 > 66-76
Vestnik St. Petersburg University, Mathematics > 2018 > 51 > 1 > 57-65
Vestnik St. Petersburg University, Mathematics > 2018 > 51 > 1 > 101-105
Vestnik St. Petersburg University, Mathematics > 2018 > 51 > 1 > 49-56
Vestnik St. Petersburg University, Mathematics > 2018 > 51 > 1 > 77-81
Vestnik St. Petersburg University, Mathematics > 2018 > 51 > 1 > 42-48
Vestnik St. Petersburg University, Mathematics > 2018 > 51 > 1 > 36-41
Vestnik St. Petersburg University, Mathematics > 2018 > 51 > 1 > 95-100
Vestnik St. Petersburg University, Mathematics > 2018 > 51 > 1 > 1-8
Vestnik St. Petersburg University, Mathematics > 2018 > 51 > 1 > 31-35