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V.N.Zakharov. The Riemann method of the Goursat problem for a class of third order differential equations
N.A.Koreshkov and D.Yu.Kharitonov. Nilpotency of the Engel algebras
K.B.Sabitov and R.G.Idrisov. The Gellerstedt problem for systems of equations of mixed type
E.N.Samoilova. Spline approximations of solution of singular integro-differential equation
T.G.Sukachyova and O.P.Matveyeva. Problem of heat-convection of the incompressible vicsoelastic Kelvin–Voigt fluid of nonzero order
A.A.Utkin and A.M.Shelekhov. Three-webs determined by a linear differential equation
I.G.Shandra. Completely idempotent pseudoconnections on semi-Riemannian and pseudo-Riemannian spaces and concircular fields
R.A.Shafiyev and I.Yu.Yastrebova. Choice of parameters in the method of regularization of $L$-pseudoinversion
V.I.Zhegalov and Ye.A.Utkina. The Goursat problem for a three-dimensional equation with higher derivative