Error message

  • Notice: Undefined variable: _SESSION 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).
  • 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).

The fourth-order difference equation satisfied by the associated orthogonal polynomials of the Dq-Laguerre-Hahn class

Bibliographic reference Foupouagnigni, M. ; Ronveaux, André ; Hounkonnou, M.. The fourth-order difference equation satisfied by the associated orthogonal polynomials of the Dq-Laguerre-Hahn class. In: Journal of difference equations and applications, vol. 7, p. 445-472 (2001)
Permanent URL