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3. A. A. Arkhipova, “Some applications of inverse Hölder inequalities with boundary integral,” in:Problems of Mathematical Analysis, LGU, Leningrad,12 (1992) pp. 5–19.
4. A. A. Arkhipova, “L p-estimates of gradients for initial boundary-value problems for quasilinear parabolic systems,” in:Problems of Mathematical Analysis, LGU, Leningrad,13 (1992), pp. 4–21.
5. A. A. Arkhipova, “On the Regularity of the Oblique Derivative Problem for Quasilinear Elliptic Systems,” Preprint 93-132, Dept. of Math., CWRU, Cleveland.