@article{KoutschanMoserPonomarchukSchicho23,
 author = {Christoph Koutschan and Bernhard Moser and Anton Ponomarchuk and Josef Schicho},
 title = {Representing piecewise linear functions by functions with small arity},
 journal = {Applicable Algebra in Engineering, Communication and Computing},
 year = {2023},
 isbn_issn = {ISSN 0938-1279},
 doi = {10.1007/s00200-023-00627-1},
 note = {To appear (preprint on arXiv:2305.16933)},
}