# Content of Volume 25, no.4, 2019

Author(s) Title of the Article  Page
V.V. ArestovOn the conjugacy of the space of multipliers
 5
D.B. BazarkhanovLinear recovery of pseudodifferential operators on classes of smooth functions on an $m$-dimensional torus. II
 15
E.A. Barabanov, V.V. BykovDescription of the linear Perron effect under parametric perturbations exponentially vanishing at infinity
 31
I.N. Belousov, A.A. MakhnevInverse problems in the theory of distance-regular graphs: Dual 2-designs
 44
S. Benarab, E.S. Zhukovskiy, W. MerchelaTheorems on perturbations of covering mappings in spaces with a distance and in spaces with a binary relation
 52
B.E. DurakovOn some groups of 2-rank 1
 64
A.V. Kel’manov, A.V. Pyatkin, V.I. KhandeevQuadratic Euclidean 1-Mean and 1-Median 2-Clustering Problem with constraints on the size of the clusters: Complexity and approximability
 69
A.S. Kondrat'evOn the recognizability of sporadic simple groups $Ru$, $HN$, $Fi_{22}$, $He$, $M^cL$, and $Co_3$ by the Gruenberg-Kegel graph
 79
A.V. KonyginOn primitive permutation groups with the stabilizer of two points normal in the stabilizer of one of them: The case when the socle is a power of a group $E_8(q)$
 88
V.V. KorablevaOn chief factors of parabolic maximal subgroups of the group ${}^2F_4(2^{2n+1})$
 99
O.V. Kravtsova, V.M. LevchukQuestions of the structure of finite near-fields
 107
O.V. Kravtsova, T.V. MoiseenkovaSemifield planes of rank 2 admitting the group $S_3$
 118
A.O. Leont'evaBernstein-Szego inequality for trigonometric polynomials in the space $L_0$
 129
A.A. Makhnev, M.P. GolubyatnikovNonexistence of certain $Q$-polynomial distance-regular graphs
 136
N.A. MinigulovFinite almost simple 4-primary groups with connected Gruenberg-Kegel graph
 142
A.R. Mirotin, A.A. AtvinovskiiOn multiplicative inversion for Wolff-Denjoy series
 147
V.S. Monakhov, V.N. TyutyanovFinite groups with supersoluble subgroups of given orders
 155
S.I. NovikovExtremal function interpolation for a second-order linear differential operator
 164
A.V. OsipovOn the Hewitt realcompactification and $\tau$-placedness of function spaces
 177
V.M. SinitsinOn genetic codes of certain groups with 3-transpositions
 184
V.D. SkarinOn the application of the quasisolution method to the correction of improper convex programs
 189
A.I. SozutovOn periodic groups with a regular automorphism of order 4
 201
 210
V.I. TrofimovOn limits of vertex-symmetric graphs and their automorphisms
 226
M.Yu. Khachai, Yu.Yu. OgorodnikovHaimovich-Rinnooy Kan polynomial-time approximation scheme for the CVRP in metric spaces of a fixed doubling dimension
 235
L.Yu. TsiovkinaSome Schurian association schemes related to Suzuki and Ree groups
 249
M.Sh. Shabozov, A.A. ShabozovaSharp inequalities of Jackson-Stechkin type for periodic functions in $L_2$ differentiable in the Weyl sense
 255
A.A. ShananinMathematical modeling of investments at an imperfect capital market
 265
A.A. ShlepkinOn Sylow 2-subgroups of Shunkov groups saturated with the groups $L_3(2^m)$
 275
I.N. Belousov, M.S. NirovaInternational conference devoted to the 70th birthday of A. Kh. Zhurtov
 283