@article{DMGT_2021_41_4_a9,
     author = {Cichacz, Sylwia and G\"orlich, Agnieszka and Tuza, Zsolt},
     title = {\ensuremath{\mathbb{Z}}\protect\textsubscript{2} {\texttimes} {\ensuremath{\mathbb{Z}}\protect\textsubscript{2}} {-Cordial} {Cycle-Free} {Hypergraphs}},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {1021--1040},
     publisher = {mathdoc},
     volume = {41},
     number = {4},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2021_41_4_a9/}
}