TY  - JOUR
AU  - S. I. Novikov
TI  - The periodic analog of Rolle's theorem for differential operators and approximation by $L$-splines
JO  - Matematičeskie zametki
PY  - 1994
SP  - 102
EP  - 113
VL  - 56
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1994_56_4_a9/
LA  - ru
ID  - MZM_1994_56_4_a9
ER  -