TY - JOUR T1 - Singular Perturbation Problems. A Study by A-Convergence AU - , L. Chiter JO - Research Journal of Applied Sciences VL - 2 IS - 5 SP - 579 EP - 583 PY - 2007 DA - 2001/08/19 SN - 1815-932x DO - rjasci.2007.579.583 UR - https://makhillpublications.co/view-article.php?doi=rjasci.2007.579.583 KW - Singular perturbation KW -asymptotic behaviour KW -variational problem AB - This research is devoted to singular perturbation problems associated to a thin layer of thickness . We study asymptotically as 0 the elliptic problem -div (a u ) + b u = f, on with the condition u = 0 at the boundary . The convergence under consideration is -convergence with the strong topologie of L2 ( ). ER -