| |
| 2006 | ||
|---|---|---|
| 2 | EE | Nicolai N. Pisaruk: A 2-approximation algorithm for the network substitution problem. Oper. Res. Lett. 34(1): 94-96 (2006) |
| 2003 | ||
| 1 | EE | Nicolai N. Pisaruk: A fully combinatorial 2-approximation algorithm for precedence-constrained scheduling a single machine to minimize average weighted completion time. Discrete Applied Mathematics 131(3): 655-663 (2003) |