TY  - JOUR
AU  - Béla Bollobás
TI  - k-Tuples of the First n Natural Numbers.
JO  - Elemente der Mathematik
PY  - 1969
SP  - 133
EP  - 134
VL  - 24
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ELMA_1969__24_140950/
ID  - ELMA_1969__24_140950
ER  -