TY  - JOUR
AU  - V. F. Babenko
TI  - The best $L_1$-approximations by splines in the presence of restrictions on their derivatives
JO  - Matematičeskie zametki
PY  - 1992
SP  - 12
EP  - 19
VL  - 51
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1992_51_5_a1/
LA  - ru
ID  - MZM_1992_51_5_a1
ER  -