TY  - JOUR
AU  - Haukkanen, P.
TI  - Rational arithmetical functions of order (2,1) with respect to regular convolutions.
JO  - Portugaliae mathematica
PY  - 1999
SP  - 329
EP  - 343
VL  - 56
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PORMA_1999__56_3_48440/
LA  - en
ID  - PORMA_1999__56_3_48440
ER  -