PERIODIC AND TUBE ORBITS

[1] Birkhoff G.D., 1927, DYNAM SYST, VVolume 9

[2] RESONANCE CASES AND SMALL DIVISORS IN A THIRD INTEGRAL OF MOTION .1. [J]. ASTRONOMICAL JOURNAL, 1963, 68 (10) : 763 - &

[3] A CLASSIFICATION OF INTEGRALS OF MOTION [J]. ASTROPHYSICAL JOURNAL, 1963, 138 (04) : 1297 - &

[4] Contopoulos G., 1960, Z ASTROPHYS, V49, P273

[5] GOUDAS CL, 1963, Z ASTROPHYS, V57, P183

[6] TORGARD I, 1960, NUFFIC INTERNATIO 10

[1] Birkhoff G.D., 1927, DYNAM SYST, VVolume 9

[2] RESONANCE CASES AND SMALL DIVISORS IN A THIRD INTEGRAL OF MOTION .1. [J]. ASTRONOMICAL JOURNAL, 1963, 68 (10) : 763 - &

[3] A CLASSIFICATION OF INTEGRALS OF MOTION [J]. ASTROPHYSICAL JOURNAL, 1963, 138 (04) : 1297 - &

[4] Contopoulos G., 1960, Z ASTROPHYS, V49, P273

[5] GOUDAS CL, 1963, Z ASTROPHYS, V57, P183

[6] TORGARD I, 1960, NUFFIC INTERNATIO 10