Cauchy problems with modified conditions for the Euler–Poisson–Darboux equations in the hyperbolic space

Cheikh Ould Mohamed El-Hafedh; Elbar Ould Ely Telmoudy; Mohamed Vall Ould Moustapha

Comptes Rendus. Mathématique, Volume 351 (2013) no. 19 p. 747-752