1. Pseudo-solutions de l'equation Ax = y;Arcangeli;C. R. Seances Acad. Sci. Ser. A,1966
2. Analytic extrapolation and inverse problem;Atkinson,1978
3. Uniqueness in the inversion of gross Earth data;Backus;Philos. Trans. R. Soc. London A,1970
4. Sur la technique LOS en planetologie;Balmino,1988
5. General iteration methods for the evaluation of linear equations;Berg;Numer. Funct. Anal. Optim.,1979