TY  - JOUR
AU  - H. Światak
TI  - On some symmetrical equations of the form $f_1(x_1+...+x_n) = ∑_{i_1,...,i_n}) f_1(x_i_1)...f_n(x_i_n)$
JO  - Annales Polonici Mathematici
PY  - 1967
SP  - 271
EP  - 286
VL  - 19
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-19-3-271-286/
DO  - 10.4064/ap-19-3-271-286
LA  - en
ID  - 10_4064_ap_19_3_271_286
ER  -