Uspekhi Mat. Nauk, 1991, Volume 46, Issue 6(282)

JOURNALS // Uspekhi Matematicheskikh Nauk // Archive

1991, Volume 46, Issue 6(282)

	Undecidable hypotheses in Edward Nelson's internal set theory V. G. Kanovei	3
	Riemannian geometry of fibre bundles A. A. Borisenko, A. L. Yampol'skii	51
	Sobolev spaces of infinite order Yu. A. Dubinskii	97

In the Moscow Mathematical Society
	International Conference on Differential Equations and Related Questions In honour of the 90th anniversary of the birth of Academician I. G. Petrovskii (1901–1973), Rector of Moscow State University from 1951 to 1973 (14th joint session of the Petrovskii Seminar and the Moscow Mathematical Society, 29 May–3 June 1991)	133
Communications of the Moscow Mathematical Society
	On the completeness theorem for many-valued lattices S. V. Rychkov	205
	The Lyusternik–Shnirel'man theorem for polyhedra G. A. Gal'perin	207
	The regular and the Baire extension of the ring of continuous functions as rings of quotients of the same type V. K. Zakharov	209
	Representations of the quantum group $SL_J(2)$ S. V. Korenskii	211
	Properties of the limit distribution of states for a family of unitary operators related to a quantum rotator I. A. Koshovets	213
	On the quantization of certain Lie groups and algebra A. Yu. Lazarev, M. D. Movshev	215
	On the birational equivalence of Brauer–Severi varieties S. L. Tregub	217
	Rings of elementary divisors and distributive rings A. A. Tuganbaev	219
	Global relations and hypergeometric series V. G. Chirskii	221
	A certain module over the binary-Lie central extension $\mathsf{jl_2}(\mathbb C)$ of the double $\mathsf{sl_2}(\mathbb C)+\mathsf{sl_2}(\mathbb C)$ D. V. Yur'ev	223

Reviews and Bibliography
	New books on mathematics L. P. Kalinina	225