The spectroscopic evolution of the recurrent nova T Pyxidis during its 2011 outburst - II. The optically thin phase and the structure of the ejecta in recurrent novae
S. N. Shore, G. J. Schwarz, I. De Gennaro Aquino, T. Augusteijn, F. M. Walter, S. Starrfield and E. M. Sion
