Mat. Zametki, 1985, Volume 38, Issue 6

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1985, Volume 38, Issue 6

	The Vinogradov–Bombieri theorem N. M. Timofeev	801
	Coefficients of primitive polynomials I. E. Shparlinski	810
	Boundary behavior of solutions of parabolic equations of the second order with continuous coefficients N. A. Mikhailova	816
	Ordinary differential equations with singularities on the right-hand side V. V. Filippov	832
	Solvability of some nonlinear elliptic problems T. S. Kozhevnikova	852
	Representation of transformations preserving the lebesgue measure in the form of periodic transformations V. V. Ryzhikov	860
	An invariant of partially ordered sets V. K. Maslyuchenko, M. M. Popov	866
	A class of hypersimple incomplete sets M. M. Arslanov	872
	Functor $\exp^c_n$, absolute retracts and Hilbert space A. G. Savchenko	875
	Difference families, difference matrices, and BIB-designs B. T. Rumov	888
	Sharp a priori error estimates of the Rayleigh–Ritz method without assumptions of fixed sign or compactness A. V. Knyazev	900
	Character and pseudocharacter in minimal topological groups D. B. Shakhmatov	908
	Strong law of large numbers for multiple sums of independent, identically distributed random variables O. I. Klesov	915
	Exponential estimates in the martingale case S. V. Zhulenev	931
	Review A. V. Skorokhod	941

Letter to editor
	Letter to the editor V. A. Dem'yanenko	944