@article{ISU_2017_17_3_a9,
     author = {I. A. Pankratov},
     title = {Calculating of the fastest spacecraft flights between circular orbits},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {344--352},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2017_17_3_a9/}
}