TY  - JOUR
AU  - V. I. Berdyshev
AU  - V. B. Kostousov
TI  - Extremal problems of navigation by geophysical fields
JO  - Eurasian journal of mathematical and computer applications
PY  - 2018
SP  - 4
EP  - 18
VL  - 6
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/EJMCA_2018_6_2_a0/
LA  - en
ID  - EJMCA_2018_6_2_a0
ER  -