The Wide Field Imager Lyman-Alpha Search (WFILAS) for galaxies at redshift ~5.7 - I. A spatially compact Lyα emitting galaxy at redshift 5.721E. Westra, D. Heath Jones, C. E. Lidman, R. M. Athreya, K. Meisenheimer, C. Wolf, T. Szeifert, E. Pompei and L. VanziA&A, 430 2 (2005) L21-L24DOI: https://doi.org/10.1051/0004-6361:200400126