TY  - JOUR
AU  - A. A. Zenkin
TI  - Waring's problem for sums of fourth powers of positive integers: $g(1,4)=21$
JO  - Matematičeskie zametki
PY  - 1993
SP  - 45
EP  - 52
VL  - 54
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1993_54_5_a4/
LA  - ru
ID  - MZM_1993_54_5_a4
ER  -