isochronisme des petites oscillations

[1966] Hooke's Vibration Theory and the Isochrony of Springs ; Mary Hesse ; ISIS 57 (1966) p. 433 [lien]
[1968] Galileo on the Isochrony of the Pendulum ; Piero Ariotti ; ISIS 59 (1968) p. 414 [lien]
[1978] [Notes and Discussions] Rock or roll: Non-isochronous small oscillations (an example) ; Jean-Marc Levy-Leblond ; American Journal of Physics 46 (jan 1978) p. 106 [lien]