TY  - JOUR
AU  - Nash, John C. M.
TI  - On B 4-Sequences
JO  - Canadian mathematical bulletin
PY  - 1989
SP  - 446
EP  - 449
VL  - 32
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1989-064-2/
DO  - 10.4153/CMB-1989-064-2
ID  - 10_4153_CMB_1989_064_2
ER  -