Symposium in Applied Mathematics of the American Mathematical Society,, 9,, New York,, 1957
Orbit theory : proceedings of the Ninth Symposium...
/ editors Garrett Birkhoff and R. E. Langer
. - Providence (RI) : American Mathematical Society, 1959
. - V, 195 p. : il
. - (Proceedings of symposia in applied mathematics ; 9)
Satélites artificiais Mecânica celeste Movimento orbital
CDU 629.78