Siberian Advances in Mathematics
Siberian Advances in Mathematics > 2009 > 19 > 3 > 151-161
Siberian Advances in Mathematics > 2009 > 19 > 3 > 162-171
Siberian Advances in Mathematics > 2009 > 19 > 3 > 192-210
Siberian Advances in Mathematics > 2009 > 19 > 3 > 172-178
Siberian Advances in Mathematics > 2009 > 19 > 3 > 179-191
Siberian Advances in Mathematics > 2009 > 19 > 3 > 211-223