TY  - JOUR
AU  - V. I. Berdyshev
TI  - Differentiation of navigation error with respect to an approximating function and a geophysical field fragment
JO  - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
PY  - 2000
SP  - 1003
EP  - 1011
VL  - 40
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZVMMF_2000_40_7_a5/
LA  - ru
ID  - ZVMMF_2000_40_7_a5
ER  -