RT Journal Article SR 00 A1 Ermoliev, Y.M. A1 Ruszczynski, A. T1 Convex optimization by radial search JF Journal of Optimization Theory and Applications YR 1996 FD 1996 VO 91 IS 3 SP 731 OP 738 PB Springer SN 1573-2878 LK https://pure.iiasa.ac.at/id/eprint/4623/