%0 Journal Article %A Ya. G. Sapunkov %A A. V. Molodenkov %T Analytical algorithm of energy and time quasioptimal turn of~a~spacecraft under arbitrary boundary conditions %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2021 %P 213-226 %V 21 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2021_21_2_a7/ %G ru %F ISU_2021_21_2_a7