Problèmes mixtes pour l'équation des ondes
Talk no. 1, 4 p.
Talk no. 2, 6 p.
Talk no. 3, 2 p.
Talk no. 4, 4 p.
Talk no. 5, 4 p.
Talk no. 6, 6 p.
Talk no. 6 bis, 2 p.