| Title | On the number of closure operations |
| Publication Type | Journal Article |
| Authors | G., Burosch, Demetrovics J., G. O. H. Katona, Kleitman D.J., and A. A. Sapozhenko |
| Journal title | Combinatorics, Paul Erdős is eighty |
| Year | 1993 |
| Pages | 91 - 105 |
| Volume | 1 |
| Language | eng |
| Notes | exported from refbase (http://www.bibliography.ceu.hu/show.php?record=9039), last updated on Mon, 01 Feb 2010 14:06:14 +0100 |