@techreport{KoutschanPonomarchukSchicho24,
 author = {Christoph Koutschan and Anton Ponomarchuk and Josef Schicho},
 title = {Representing piecewise-linear functions by functions with minimal arity},
 institution = {RICAM Reports Series},
 year = {2024},
 number = {2024-11},
 note = {Submitted for publication (preprint on arXiv:2406.02421)},
}