Digital deblurring of CMB maps - II. Asymmetric point spread functionR. Vio, J. G. Nagy, L. Tenorio, P. Andreani, C. Baccigalupi and W. WamstekerA&A, 408 3 (2003) 835-843DOI: https://doi.org/10.1051/0004-6361:20031108