Oxygen-rich disk in the V778 Cygni system resolved R. Szczerba, M. Szymczak, N. Babkovskaia, J. Poutanen, A. M. S. Richards and M. A. T. Groenewegen A&A, 452 2 (2006) 561-565 Published online: 22 May 2006 DOI: 10.1051/0004-6361:20053782