%0 Journal Article %A %T Conspectus materiae tomorum LXXXI–XC (1997–1999) %J Acta Arithmetica %D 1999 %P 397-416 %V 90 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-90-4-397-416/ %R 10.4064/aa-90-4-397-416 %G pl %F 10_4064_aa_90_4_397_416