Title: Asymptotic methods and singular perturbations
Subjects: Asymptotic theory, Congresses, Differential equations, Singular perturbations (Mathematics), Developpements asymptotiques, Perturbation (Mathematiques), Equacoes Diferenciais, Analyse mathematique, Equations differentielles, Mathematiques, Matematica Aplicada, Congres, Équations différentielles, Congrès, Développements asymptotiques, Perturbation (Mathématiques), Asymptotic expansions, Perturbation (mathematics)