Informazioni generali

BEITRAGE ZUR ALGEBRA UND GEOMETRIE  

journal24541  

E020161  

DE  

0138-4821  

German  

Rivista

Heldermann Verlag:Langer Graben 17, D-32657 Lemgo Germany:011 49 5261 10226, EMAIL: heldermann@gmx.net, INTERNET: http://www.heldermann.de, Fax: 011 49 5261 15264  

1971  

 

can  

can  

restricted  

restricted  

cannot  

cannot  

false