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Vol. 71 No. 1 (2019)

Published: 25.01.2019

Research articles

On 2-dimensional surfaces in 3-dimensional and 4-dimensional Euclidean spaces. Results and unsolved problems

Yu. A. Aminov

3-36
- PDF (Russian)
Existence of positive solutions for a coupled system of nonlinear fractional differential equations

A. Ghanmi

37-46
- PDF
Correctness of one nonlocal boundary-value problem with constant coefficient for the nonlinear mixed-type equation of the second kind of the second order in the space

S. Z. Dzhamalov

47-58
- PDF (Russian)
Space-like surfaces in Minkowski space $E^4_1$ with pointwise 1-type Gauss map

U. Dursun, N. C. Turgay

59-72
- PDF
On the asymptotic of solutions of second-order differential equations with rapidly varying nonlinearities

V. M. Evtukhov, A. G. Chernikova

73-91
- PDF (Russian)
Antinormal composition operators on $L^2$ -space of an atomic measure space

H. Chandra, D. Kumar

92-98
- PDF
Green’s functional for higher-order ordinary differential equations with general nonlocal conditions and variable principal coefficient

K. Özen

99-116
- PDF
On the post-Darwin approximation of the Maxwell – Lorentz equations of motion of point charges in the absence of neutrality

W. I. Skrypnik

117-128
- PDF (Ukrainian)
Existence of Positive Solutions for a Coupled System of Nonlinear Fractional Dierential Equations

Abdeljabbar Ghanmi

37-46

Short communications

Asymptotic estimates for the solutions of a differential-functional equation with linear delay

D. V. Bel’skii, G. P. Pelyukh

129-138
- PDF (Russian)
On the solvability of the main inverse problem of stochastic differential systems

G. T. Ibraeva, M. I. Tleubergenov

139-145
- PDF (Russian)