Balslev, E. (1981). Scandinavian congress of mathematicians: Proceedings, 1980. Birkhäuser.
Chicago-čujuhus (17. p.)Balslev, Erik. Scandinavian Congress of Mathematicians: Proceedings, 1980. Boston: Birkhäuser, 1981.
MLA-čujuhus (9. p.)Balslev, Erik. Scandinavian Congress of Mathematicians: Proceedings, 1980. Birkhäuser, 1981.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.