TY  - JOUR
AU  - B. Rokowska
TI  - Some new constructions of 4-tuple systems
JO  - Colloquium Mathematicum
PY  - 1967
SP  - 111
EP  - 121
VL  - 17
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-17-1-111-121/
DO  - 10.4064/cm-17-1-111-121
LA  - en
ID  - 10_4064_cm_17_1_111_121
ER  -