Izv. Saratov Univ. Math. Mech. Inform., 2019, Volume 19, Issue 1

JOURNALS // Izvestiya of Saratov University. Mathematics. Mechanics. Informatics // Archive

2019, Volume 19, Issue 1

Scientific Part
Mathematics
	Approximation of continuous $2\pi$-periodic piecewise smooth functions by discrete Fourier sums G. G. Akniev	4
	Nonlocal boundary-value problems in the cylindrical domain for the multidimensional Laplace equation S. A. Aldashev	16
	Necessary and sufficient condition for an orthogonal scaling function on Vilenkin groups G. S. Berdnikov	24
	The Il'in spectral method for determination of the properties of the basis property and the uniform convergence of biorthogonal expansions on a finite interval I. S. Lomov	34
Mechanics
	Influence of doping by oxygen atoms of porous carbon nanostructures on values of Young's modulus A. S. Kolesnikova, K. A. Prikhodchenko	59
	A couple contact loading at the unilateral contact of beams M. A. Osipenko, A. A. Kasatkin	69
	Descent of nanosatellite from low Earth orbit by ion beam V. V. Ryazanov, A. S. Ledkov	82
Computer Sciences
	Hybrid automation extended model D. K. Andreichenko, K. P. Andreichenko, I. A. Batraeva	94
	Multiple hedging on energy market E. Yu. Karatetskaya, V. V. Lakshina	105
	Zero-knowledge proof authentication protocols S. M. Ratseev, M. A. Rostov	114