1. On the solution of incorrectly formulated problems and the method of regularizatlon;Tikhonov;Dokl. Akad. Nauk SSSR,1963
2. On the regularization of incorrectly formulated problems;Tikhonov;Dokl. Akad. Nauk SSSR,1963
3. On some incorrect problems of mathematical physics;Lavrent'ev,1962
4. On a numerical method of solving Fredholm's integral equation of the first kind;Bakushinskii;Zh. vȳchisl. Mat. mat. Fiz.,1965
5. On the solution of functional equations by the method of regularization;Morozov;Dokl. Akad. Nauk SSSR,1966