T. I. Korolyuk, “The Cauchy problem for the Laplace equation”, Izv. Vyssh. Uchebn. Zaved. Mat., 1973, no. 3, 53–55
1969
2.
V. K. Ivanov, T. I. Korolyuk, “Error estimates for solutions of incorrectly posed linear problems”, Zh. Vychisl. Mat. Mat. Fiz., 9:1 (1969), 30–41; U.S.S.R. Comput. Math. Math. Phys., 9:1 (1969), 35–49
