RUS  ENG Full version

This issue — as well as two preceding ones — is dedicated to Yuri I. Manin on the occasion of his 65^th birthday.

	An analytic separation of series of representations for ${\rm SL}(2;\mathbb R)$ S. G. Gindikin		635
	Complexity of semialgebraic proofs D. Yu. Grigor'ev, E. A. Hirsch, D. V. Pasechnik		647
	Unramified reciprocal polynomials and Coxeter decompositions B. H. Gross		681
	Good and bad uses of elliptic curves in cryptography N. I. Koblitz		693
	Isomonodromy equations on algebraic curves, canonical transformations and Whitham equations I. M. Krichever		717
	Generalized Harish-Chandra modules I. B. Penkov, V. V. Serganova		753
	Vestigia investiganda M. Wodzicki		769