On stabilization of an elastic system by fast-oscillating time-variant feedback.Published in:Journal of Mathematical Sciences, 2011, v. 173, n. 1, p. 107, doi. 10.1007/s10958-011-0234-9By:Caiado, M.;Sarychev, A.Publication type:Article
Sufficient quadratic conditions of extremum for discontinuous controls in optimal control problems with mixed constraints.Published in:Journal of Mathematical Sciences, 2011, v. 173, n. 1, p. 1, doi. 10.1007/s10958-011-0233-xBy:Osmolovskii, N.Publication type:Article