TY  - JOUR
AU  - Béla Bollobás
TI  - Normally subregular systems in normed algebras
JO  - Studia Mathematica
PY  - 1973
SP  - 263
EP  - 266
VL  - 49
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm-49-3-263-266/
DO  - 10.4064/sm-49-3-263-266
LA  - en
ID  - 10_4064_sm_49_3_263_266
ER  -