%0 Book Section %A Nurminski, E.A. %B International Symposium on Systems Optimization and Analysis %C Germany %D 1979 %F iiasa:14047 %I Springer Berlin Heidelberg %P 187-195 %R 10.1007/978-3-662-39921-7_18 %T On ε-Subgradient Methods of Non-Differentiable Optimization %U https://pure.iiasa.ac.at/id/eprint/14047/ %X The theory of nondifferentiable optimization studies extremum problems of complex structure involving interactions of many subproblems, stochastic factors, multi-stage decisions and other difficulties.