... The complexity and depth of Boolean circuits for multiplication and inversion in some fields GF(2^n) . ... Relation between two measures of the computation complexity for systems of monomials . ... Uniform Morse lemma and isotopy criterion for Morse functions on surfaces . ... Expansion over a system of shifts of pyramidal functions . ... A solution to the hydraulic fracture problem in the traveling wave form . ... To a formulation of the flutter problem for a conical shell with a small apex angle ....