TY - JOUR AU - Irac-Astaud, M. TI - Perturbation around exact solutions for nonlinear dynamical systems : application to the perturbed Burgers equation JO - Annales de l'I.H.P. Physique théorique PY - 1990 SP - 343 EP - 358 VL - 53 IS - 3 PB - Gauthier-Villars UR - http://www.numdam.org/item/AIHPA_1990__53_3_343_0/ LA - en ID - AIHPA_1990__53_3_343_0 ER -