@article{arima:1986, title = {Composite Asymptotic Expansions and Difference Equations}, author = {Augustin Fruchard and Reinhard Schäfke}, url = {https://arima.episciences.org/1986}, doi = {10.46298/arima.1986}, journal = {Revue Africaine de Recherche en Informatique et Mathématiques Appliquées}, issn = {1638-5713}, volume = {Volume 20 - 2015 - Special issue - Colloquium in Honor of Éric Benoît}, eid = 5, year = {2015}, month = {août}, keywords = {Difference equation with small step size, composite asymptotic expansion, Gevrey asymptotic, Fatou coordinate, Écalle-Voronin invariant., Équation aux différences à petit pas, développement asymptotique combiné, asymptotique Gevrey, coordonnée de Fatou, invariant d'Écalle-Voronin., [INFO]Computer Science [cs], [MATH]Mathematics [math]}, language = {English}, }