The maximal length of cloud-antichains
In: Discrete Mathematics, Jg. 131 H. 1-3, S. 9-15
Messy broadcasting in networks
In: Communications and cryptography: two sides of one tapestry, Jg. 276, S. 13-24On extremal sets without coprimes
In: Acta Arithmetica, Jg. 66 H. 1, S. 89-90