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64 reviewsL. Cesari: Non-linear analysis.- J.K. Hale: Oscillations in neutral functional differential equations.- M. Jean: Eléments de la théorie des équations différentielles avec commandes.- J. Mawhin: Un aperçu des recherches belges en théorie des equations différentielles ordinaires dans le champ réel entre 1967 et 1972.- Yu A. Mitropol´skii: Certains aspects des progrès de la methode de centrage.- Th. Vogel: Quelques problèmes non linéaires en physique mathématique.
