1. Yu. I. Petunin and A. N. Plichko, ?Tikhonov regularizability of certain classes of incorrect problems,? in: Mathematical Compensium [in Russian], Naukova Dumka, Kiev (1976), pp. 221?224.
2. F. S. Vakher and A. N. Plichko, ?Bounded approximation property and linear finitedimensional regularizability,? Ukr. Mat. Zh.,33, No. 2, 167?171 (1981).
3. V. A. Vinokurov and A. N. Plichko, ?Regularizability of inverse problems by linear methods,? Dokl. Akad. Nauk SSSR,241, No. 2, 280?286 (1978).
4. F. S. Vakher, ?General form of a linear functional on the banach space of analytic functions and the A-integral,? Dokl. Akad. Nauk SSSR,166 No. 3, 518?521 (1966).
5. K. Hoffman, Banach Spaces of Analytic Functions, Prentice-Hall (1962).