Geodesic
Weakly ill-posed problems of integral geometry witch perturbation on polygonal lines
Izvestiya of Saratov University. Mathematics. Mechanics. Informatics, Tome 15 (2015) no. 1, pp. 5-12

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We study a problem of reconstruction of a function in a strip from their given integrals with known weight function along polygonal lines. We obtained two simply inversion formulas for the solution to the problem. Using these representations we prove uniqueness and existence theorems for solutions and obtain stability estimates of a solution to the problem in Sobolev's spaces and thus show their weak ill-posedness. Then we consider integral geometry problems with perturbation. The uniqueness theorems are proved and stability estimates of solutions in Sobolev spaces are obtained. 
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A. H. Begmatov; A. O. Pirimbetov; A. K. Seidullaev. Weakly ill-posed problems of integral geometry witch perturbation on polygonal lines. Izvestiya of Saratov University. Mathematics. Mechanics. Informatics, Tome 15 (2015) no. 1, pp. 5-12. http://geodesic.mathdoc.fr/item/ISU_2015_15_1_a0/