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Found 14 Documents (Results 1–14)

Convergence of the spectral decomposition of a function from the class \(W_{p,m}^1(G)\), \(p>1\), in the vector eigenfunctions of a differential operator of the third order. (English. Russian original) Zbl 1499.34435

Ukr. Math. J. 69, No. 6, 839-856 (2017); translation from Ukr. Mat. Zh. 69, No. 6, 719-733 (2017).
MSC:  34L10
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Approximation of the Urysohn operator by operator polynomials of Stancu type. (English. Russian original) Zbl 1263.41015

Ukr. Math. J. 64, No. 3, 356-386 (2012); translation from Ukr. Mat. Zh. 64, No. 3, 318-343 (2012).
MSC:  41A36
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A common fixed point for generalized \((\psi, \varphi)_{f,g}\)-weak contractions. (English. Russian original) Zbl 1255.54025

Ukr. Math. J. 63, No. 11, 1756-1769 (2012); translation from Ukr. Mat. Zh. 63, No. 11, 1544-1554 (2011).
MSC:  54H25 47H10
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