Hyperbolic differential polynomials and their singular perturbations - Chaillou, Jacques (Dordrecht : D. Reidel Publishing Company, 1979)
Translation of Les polynomes differentiels hyperboliques et leurs perturbations singulieres.
Includes bibliographical references (p. 164-166) and indexes.
Keywords: Partial differential operators; Polynomials; Perturbation (Mathematics)