TY  - JOUR
AU  - V. F. Babenko
AU  - N. V. Parfinovich
TI  - Exact Values of Best Approximations for Classes of Periodic Functions by Splines of Deficiency~2
JO  - Matematičeskie zametki
PY  - 2009
SP  - 538
EP  - 551
VL  - 85
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2009_85_4_a4/
LA  - ru
ID  - MZM_2009_85_4_a4
ER  -