Hi Pavel.
The Norwegian Animal Health Authority says in the Norwegian import 
regulation of dogs and cats ( full english version:  
http://www.dyrehelsetilsynet.no/nors..._hund_katt.pdf  ):
  "Importation of dogs to Norway of the following breeds ( pure breed or 
crosses) is prohibited: Bull Terrier, Fila Brasiliero, Tosa Ino and Dogo 
Argentino. For breeds that may be confused with any of the above mentioned 
breeds, e. g. American Staffordshire Terrier, it must be possible to 
document with an original pedigree certificate and an ID-number that the 
animal is not an offspring of prohibited breeds."
Saarloos and CSV are considered a pure breed and are therefore allowed. 
Regarding SW there are som 10 species in Norway. Of CSVs the number is 1.
Main problem is vaccination (Rabies in particular) and quarrantining.
Regarding possession of wolf hybrids in Norway I'm doing a little research :-)
---
Per Olav