Vestnik St. Petersburg University, Mathematics
Vestnik St. Petersburg University: Mathematics > 2007 > 40 > 4 > 306-309
Vestnik St. Petersburg University: Mathematics > 2007 > 40 > 4 > 302-305
Vestnik St. Petersburg University: Mathematics > 2007 > 40 > 4 > 294-301
Vestnik St. Petersburg University: Mathematics > 2007 > 40 > 4 > 315-320
Vestnik St. Petersburg University: Mathematics > 2007 > 40 > 4 > 310-314
Vestnik St. Petersburg University: Mathematics > 2007 > 40 > 4 > 287-293
Vestnik St. Petersburg University: Mathematics > 2007 > 40 > 4 > 253-259
Vestnik St. Petersburg University: Mathematics > 2007 > 40 > 4 > 273-278
Vestnik St. Petersburg University: Mathematics > 2007 > 40 > 4 > 260-268
Vestnik St. Petersburg University: Mathematics > 2007 > 40 > 4 > 279-286
Vestnik St. Petersburg University: Mathematics > 2007 > 40 > 4 > 269-272
Vestnik St. Petersburg University: Mathematics > 2007 > 40 > 4 > 321-324