TY  - JOUR
AU  - J. Kopeć
AU  - J. Musielak
TI  - On the estimation of the norm of the n-linear symmetric operation
JO  - Studia Mathematica
PY  - 1955
SP  - 29
EP  - 30
VL  - 15
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm-15-1-29-30/
DO  - 10.4064/sm-15-1-29-30
LA  - en
ID  - 10_4064_sm_15_1_29_30
ER  -