1. Inverse differentiability, contractors and equations in Banach spaces;Altman;Studia Math.,1973
2. Directional contractors and equations in Banach spaces;Altman;Studia Math.,1973
3. Contractors with nonlinear majorant functions and equations in Banach spaces;Altman;Boll. Un. Mat. Ital.,1974
4. Contractors and equations in pseudometric spaces;Altman;Boll. Un. Mat. Ital.,1972
5. The contractor theory of solving equations;Altman,1973