M.R.Bortkovskaya

Researching the phase portrait for a differential equations system modelling competitive interaction 

5-16

K.M.Budanov

On infinitesimal transformations of Weil bundles as solutions of differential equation for Lie derivative of complete lift connection 

17-23

P.A.Velmisov,Yu.A.Tamarova

Studying the nonlinear mathematical model of the mechanical system “pipeline – pressure sensor”

24-37

Yu.G.Smirnov

On the solvability of the integral electric field equation for nonabsorbing media

38-50

V.Sh.Roitenberg 

On nonlocal bifurcations in two-parameter families of vector fields on the plane with involutive symmetry

51-63

S.O.Gladkov

A new approach to brachistochrone problem with an account dry friction

64-75

I.V.Boykov,A.A.Pivkina

Application of the continuous method for solving operator equations to the approximate solution of the amplitude-phase problem

76-95

A.A.Tsupak

An integral equation method in the problem of electromagnetic wave propagation in a space filled with a locally inhomogeneous medium with a graphene layer at the boundary of the inhomogeneity region

96-106

A.O.Lapich,M.Yu.Medvedik

The microwave tomography method for solving the inverse problem on cylindrical bodies

107-117

A.I.Fomin,V.I.Titarenko

The first-order differential isomorphisms of canonical hyperbolic equations

118-125

 PHYSICS

V.Y.Grishaev,E.V.Nikishin

Methods for bringing the time dependence of photocurrent resistor to the shape of the optical pulses’ intensity, the repetition frequency of which is higher than the boundary frequency of the photodetector

126-137

R.A.Brazhe

Quanta of linear heat capacity and linear thermal inductance in nanoscale heat-conducting pipes 

138-150

R.A.Brazhe,A.A.Grishina

Quanta of the Righi – Leduc coefficients and magneto-thermal resistance

151-159

V.M.Zhuravlev

The exact singular solutions of the Khokhlov–Zabolotskaya equations and first-order quasilinear equations

160-174

 IN THE MEMORY OF SCIENTISTS

Commemorating Il'ya Vladimirovich Boykov

175-176