TY  - JOUR
AU  - Eckford Cohen
TI  - Arithmetical Notes, XIII. A Sequal to Note IV.
JO  - Elemente der Mathematik
PY  - 1963
SP  - 8
EP  - 11
VL  - 18
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ELMA_1963__18_140760/
ID  - ELMA_1963__18_140760
ER  -