1. and ‘Computation of transonic flow fields around two and three-dimensional oscillating wings’, NASA CR-2599 (1975).
2. ‘A finite difference method for the solution of the transonic flow around harmonically oscillating wings’, NASA CR-2257 (1974).
3. ‘A Mixed finite element for transonic flows’, ICASE Report No. 76-25, (1976). To appear in Numer. Math.