TY  - JOUR
AU  - V. P. Tret'yakov
TI  - On the question of the formal multiplication of series
JO  - Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki
PY  - 1969
SP  - 152
EP  - 161
VL  - 129
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UZKU_1969_129_3_a16/
LA  - ru
ID  - UZKU_1969_129_3_a16
ER  -