RT Book, Section SR 00 ID 10.1007/978-3-662-39921-7_18 A1 Nurminski, E.A. T1 On ε-Subgradient Methods of Non-Differentiable Optimization YR 1979 FD 1979 SP 187 OP 195 AB The theory of nondifferentiable optimization studies extremum problems of complex structure involving interactions of many subproblems, stochastic factors, multi-stage decisions and other difficulties. T2 International Symposium on Systems Optimization and Analysis PB Springer Berlin Heidelberg PP Germany SN 978-3-662-39921-7 AV Published LK https://pure.iiasa.ac.at/id/eprint/14047/