A combinatorial approach to evaluation of reliability of the receiver output for BPSK modulation with spatial diversity. Bliudze, S.; Krob, D. — 2006 The Electronic Journal of Combinatorics [electronic only]
Performance analysis of demodulation with diversity -- A combinatorial approach I: Symmetric function theoretical methods. Dornstetter, J.L.; Krob, D.; Thibon, J.Y.; Vassilieva, E.A. — 2002 Discrete Mathematics and Theoretical Computer Science. DMTCS [electronic only]
The lower central series of the free partially commutative group. G. Duchamp; D. Krob — 1992 Semigroup forum