| Article ID: | iaor20127752 |
| Volume: | 40 |
| Issue: | 6 |
| Start Page Number: | 445 |
| End Page Number: | 449 |
| Publication Date: | Nov 2012 |
| Journal: | Operations Research Letters |
| Authors: | Pesch Erwin, Chubanov Sergei |
| Keywords: | supply & supply chains, demand |
We present a fully polynomial time approximation scheme (FPTAS) for the single‐item capacitated economic lot‐sizing problem with an objective function of a general form. The demand values may be negative, i.e., they may represent supply. For 
