%0 Journal Article %A V. N. Soshnikov %T The dynamics of a relative motion model when spaceship and spaceman connected by an umbilical cord are meeting together %J Doklady Akademii Nauk %D 1969 %P 1002-1005 %V 185 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_185_5_a8/ %G ru %F DAN_1969_185_5_a8