Preprinti IMFM
Avtor: T. Valla
1001:
Zdeněk Dvořák
,
Riste Škrekovski
,
T. Valla
:
Planar graphs of odd-girth at least 9 are homomorphic to Petersen graph
,
44
(2006)
929:
Zdeněk Dvořák
,
Riste Škrekovski
,
T. Valla
:
Four gravity results
,
42
(2004)