1. On regularization of incorrectly posed problems;Tikhonov;Dokl. Akad. Nauk SSSR,1963
2. The error principle in the solution of operator equations by the regularization method;Morozov;Zh. vȳchisl. Mat. mat. Fiz.,1968
3. A technique for numerical solution of certain integral equations of the first kind;Phillips;J. Assoc. Comput. Machinery,1962
4. The approximate solution of operator equations of the first kind;Ivanov;Zh. vȳchisl. Mat. mat. Fiz.,1966
5. On the solution of incorrectly posed problems and the method of regularization;Tikhonov;Dokl. Akad. Nauk SSSR,1963