@article{etna_vol19_pp58-83, author = {Chelo Ferreira and Jos\'e L. L\'{o}pez and Esmeralda Mainar and Nico M. Temme}, title = {Asymptotic approximations of integrals: an introduction, with recent developments and applications to orthogonal polynomials}, journal = {Electron. Trans. Numer. Anal.}, volume = {19}, year = {2005}, pages = {58--83}, }