@article{ZVMMF_2002_42_8_a5,
     author = {V. I. Berdyshev},
     title = {The best trajectory in the navigation problem over a geophysical field},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1144--1150},
     publisher = {mathdoc},
     volume = {42},
     number = {8},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2002_42_8_a5/}
}