@article{ZVMMF_1963_3_6_a15,
     author = {V. N. Lebedev},
     title = {A variational problem concerning the take-off of a space craft from a circular orbit},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1126--1130},
     year = {1963},
     volume = {3},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1963_3_6_a15/}
}