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1
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2由 Goldstein,Herbert主題: “...Statistics,The Two Body Central Force Problem,Small Ocillations....”
出版 1950
Printed Book -
3由 Lefschetz.S主題: “...Statistics,Ocillation of a Third Order Nonlinear Autonomous System, Forced Osillations in Nonlinear...”
出版 1950
Printed Book