TY  - JOUR
AU  - Świerczkowski, S.
TI  - Abstract theory of packings and coverings. II
JO  - Glasgow mathematical journal
PY  - 1959
SP  - 96
EP  - 100
VL  - 4
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S2040618500033955/
DO  - 10.1017/S2040618500033955
ID  - 10_1017_S2040618500033955
ER  -