1. Quasi-states and quasi-measures;Aarnes, Johan F.;Adv. Math.,1991
2. On the limits of periodic Riemannian metrics;Acerbi, Emilio;J. Analyse Math.,1983/84
3. Viscosity solutions methods for singular perturbations in deterministic and stochastic control;Alvarez, Olivier;SIAM J. Control Optim.,2001/02
4. Singular perturbations of nonlinear degenerate parabolic PDEs: a general convergence result;Alvarez, Olivier;Arch. Rational Mech. Anal.,2003
5. Closed geodesics on complete surfaces;Bangert, Victor;Math. Ann.,1980