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[2] H. BREZIS: 
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[4] T. CAZENAVE A. HARAUX: 
Propriétés oscillatoires des solutions de certaines équations des ondes semi-linéaires. C.R.A.S. Paris, Ser. A, to appear (1984). 
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Asymptotic behavior of non linear contraction semi-groups. J. Funct. Analysis 12 (1973), 97-106. 
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Asymptotic behavior of Solutions of Evolution Equations. in Nonlinear Evolution Equations, M. G. Crandall editor, Academic Press (1978), 103-123. 
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[7] A. HARAUX: 
Comportement à l'infini pour une équation des ondes non linéaire dissipative. C.R.A.S. Paris, t. 287 Ser. A (1978), 507-509. 
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[8] A. HARAUX: 
Nonlinear evolution equations: global behavior of solutions. Springer Lecture Notes in Math. 841 (1981). 
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[9] A. HARAUX: 
Almost periodic forcing for a wave equation with a nonlinear. local damping term, Proc. Roy Soc. Edinburgh, 94 A (1983), 195-212. 
MR 0709715 | 
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[10] A. HARAUX: 
On a uniqueness theorem of L. Amerio and G. Prouse. to appear in Proc. Roy. Soc. Edinburgh. 
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[11] A. HARAUX: 
Stabilization of trajectories for some weakly damped hyperbolic equations. to appear. 
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[12] A. HARAUX H. CABANNES: 
Almost periodic motion of a string vibrating against a straight, fixed obstacle. Nonlinear Analysis, T.M.A., 7 (2) (1983), 129-141. 
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[13] A. HARAUX M. KIRANE: 
Estimations $C^1$ pour des problèmes paraboliques semi-linéairesm. Ann. Fac. Sci. Toulouse 5 (1983). 
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[14] M. KIRANE G. TRONEL: Effet régularisant $C^{\infty}$ dans les problèmes paraboliques. to appear.
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A hyperbolic problem of second order with unilateral constraints: the vibrating string with a concave obstacle. J. Math. Anal. Appl. 73 (1980), 138-191. 
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[16] G. F. WEBB: 
A reaction-diffusion system for a deterministic diffusive epidemic. J. Math. Anal, and Appl. 84 (1981), 150-161. 
MR 0639529