Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika
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 Closure of weakly regular modules with respect to direct sumsA. N. Abyzov 3 Uniqueness of a solution of the problem $T$ for an equation of mixed type with conjugation of the normal derivative with the fractional derivativeV. F. Volkodavov, Yu. A. Ilyushina 6 Asymptotics for central moments of modifications of operators similar to Bernstein polynomialsT. V. Ershova 10 The degree of equivariant mappings with a value in classes of equivariant bordisms and its applicationsI. Yu. Zolotarev 17 On linear periodic systems on a plane having a matriciant of the required formYu. Ya. Isaenko 22 Adjoining zero to ordered groupoid-semigroupsN. Kehayopulu, M. Tsingelis 28 The phase space of the Cauchy–Dirichlet problem for the Oskolkov equation of nonlinear filtrationG. A. Sviridyuk, N. A. Manakova 36 On the best $N$-nets of bounded closed convex sets in a special metric spaceE. N. Sosov 42 Spaces with a graph norm and stengthened Sobolev spaces. IIM. R. Timerbaev 46 On the accuracy of approximate symmetries of equations of the dynamics of a non-Newtonian fluid and their invariant solutions. IIS. L. Tonkonog, L. D. Èskin 54 Almost contact manifolds endowed with a $B$-metric, and integrabilityKh. Khopteriev, E. Pavlov 59 The eigenvalue problem for an equation of mixed type with two lines of degeneracyN. V. Chiganova 67 Brief communications Weakly singular integral equations of the first kind in Zygmund spacesE. F. Ayupova 74