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Vol. 74 No. 1 (2022)

Published: 26.01.2022

Research articles

Estimates for $\lambda$ -spirallike function of complex order on the boundary

T. Akyel

3 - 13
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Monogenic functions with values in commutative complex algebras of the second rank with unity and the generalized biharmonic equation with double characteristics

S. V. Gryshchuk

14 - 23
- PDF (Ukrainian)
Univalence criteria and quasiconformal extension of a general integral operator

E. Deniz, S. Kanas, H. Orhan

24 - 35
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On the orthogonality of partial sums of the generalized hypergeometric series

S. M. Zagorodnyuk

36 - 44
- PDF (Ukrainian)
Oscillation and nonoscillation criteria for a half-linear difference equation of the second order and extended discrete Hardy inequality

A. Kalybay, D. Karatayeva

45 - 60
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Classic solutions to the equation of local fluctuations of the Riesz gravitational fields and their properties

V. A. Litovchenko

61 - 76
- PDF (Ukrainian)
Volterra-type operator on the subclasses of univalent functions

M. Mahboobi

77 - 88
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Fuglede – Putnam type theorems for extension of $M$ -hyponormal operators

S. Mecheri , T. Prasad

89 - 98
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On meromorphic solutions to the systems of linear differential equations with meromorphic coefficients

A. A. Mokhonko , A. Z. Mokhonko

99 - 112
- PDF (Ukrainian)
On zeros of numerator and denominator polynomials of Thiele’s continued fraction

M. M. Pahirya

113 - 121
- PDF (Ukrainian)
Some subclasses of univalent functions associated with $k$ -Ruscheweyh derivative operator

T. M. Seoudy

122 - 136
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Anniversaries

Oleksandr Mykolaiovych Sharkovs’kyi (on his 85th birthday)

137 - 140
- PDF (Ukrainian)

Short communications

A construction of spherical 3-designs

T. Miezaki

141 - 144
- PDF