András Hajnal, Péter Komjáth. Some higher-gap examples in combinatorial set theory. Annals of Pure and Applied Logic, 33:283-296, 1987. [doi]
@article{HajnalK87,
title = {Some higher-gap examples in combinatorial set theory},
author = {András Hajnal and Péter Komjáth},
year = {1987},
doi = {10.1016/0168-0072(87)90084-4},
url = {http://dx.doi.org/10.1016/0168-0072(87)90084-4},
researchr = {https://researchr.org/publication/HajnalK87},
cites = {0},
citedby = {0},
journal = {Annals of Pure and Applied Logic},
volume = {33},
pages = {283-296},
}