Error message

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  • Warning: array_key_exists() expects parameter 2 to be array, null given in dial_widget_pr_publication_action() (line 140 of /var/www/html/drupal-7.54/sites/all/modules/dial/dial_widget/dial_widget_pr/dial_widget_pr.module).

Action-Angle Variables

Bibliographic reference Henrard, Jacques ; Benest, D ; Froeschlé, C. Action-Angle Variables. In: Les méthodes modernes de la Mécanique Céleste : , Editions Frontières  1990, p. 213-247
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