@inbook{Kheyfits+2010+262+306,
url = {https://doi.org/10.1515/9783110226744.2.262},
title = {Chapter 5. Existence Theorems in Combinatorics},
booktitle = {A Primer in Combinatorics},
author = {Alexander Kheyfits},
publisher = {De Gruyter},
address = {Berlin, New York},
pages = {262--306},
doi = {doi:10.1515/9783110226744.2.262},
isbn = {9783110226744},
year = {2010},
lastchecked = {2026-05-02}
}