TY  - JOUR
AU  - M. Ya. Zinger
TI  - Generalization of a problem of Schaeffer--Duffin to finite functionals
JO  - Doklady Akademii Nauk
PY  - 1967
SP  - 14
EP  - 17
VL  - 172
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1967_172_1_a2/
LA  - ru
ID  - DAN_1967_172_1_a2
ER  -