9

and

Year:
1999
Language:
english
File:
PDF, 302 KB
english, 1999
10

Small-bandwidth perturbation theory for highly covalent Mott insulators

Year:
1997
Language:
english
File:
PDF, 270 KB
english, 1997
16

On perturbation theory for the three-band model of cuprates

Year:
1996
Language:
english
File:
PDF, 197 KB
english, 1996