TY  - JOUR
AU  - N. V. Baidakova
TI  - Upper estimates for the error of approximation of derivatives in a finite element of Hsieh–Clough–Tocher type
JO  - Trudy Instituta matematiki i mehaniki
PY  - 2012
SP  - 80
EP  - 89
VL  - 18
IS  - 4
UR  - http://geodesic.mathdoc.fr/item/TIMM_2012_18_4_a6/
LA  - ru
ID  - TIMM_2012_18_4_a6
ER  -