TY  - JOUR
AU  - V. N. Gabushin
TI  - Optimal methods for calculating values of the operator $Ux$ if $x$~is given with an error. Differentiation of functions defined with an error
JO  - Informatics and Automation
PY  - 1980
SP  - 63
EP  - 78
VL  - 145
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1980_145_a2/
LA  - ru
ID  - TRSPY_1980_145_a2
ER  -