1. Yu. M. Ermol'ev and A. D. Tuniev, ?Random Féjer and quasi-Féjer sequences? collection: The Theory of Optimal solutions [in Russian], izd. IK AN UkrSSR, no. 2, Kiev, 1968.
2. N. Z. Shor, Author's abstract of candidate's dissertation: On the Structure of Algorithms for the Numerical Solution of Problems in Optimal Planning and Design, IK AN UkrSSR, Kiev, 1964.
3. Yu. M. Ermol'ev, ?Methods of solution of nonlinear extremal problems,? Kibernetika, no. 4, Kiev, 1966.
4. Yu. M. Ermol'ev and N. Z. Shor, ?On the minimization of nondifferentiable functions,? Kibernetika, no. 2, Kiev, 1967.
5. N. Z. Shor, ?The convergence of the generalized gradient method,? Kibernetika, no. 3, Kiev, 1968.