3
by Sobolev, Andrej N.
Published 1998
Biblion-Verl.

4
by Sobolev, Andrej N.
Published 1998
Biblion-Verl.

6
by Sobolev, Andrej N.
Published 2003
Biblion-Verl.

7
by Sobolev, Andrej N.
Published 1998
Biblion-Verl.

8
by Sobolev, Andrej N.
Published 2005
Biblion-Verl.