J. E. Sebold, L. A. Lacerda, J.A.M. Carrer, A MESH SIZE CONTROL PARAMETER FOR A FINITE ELEMENT APPROXIMATION OF THE HELMHOLTZ EQUATION, Blucher Mechanical Engineering Proceedings, Volume 1, 2014, Pages 740-749, ISSN 23580828, http://dx.doi.org/10.5151/meceng-wccm2012-18107 (www.proceedings.blucher.com.br/article-details/a-mesh-size-control-parameter-for-a-finite-element-approximation-of-the-helmholtz-equation-9044) Palavras-chave:: ;