V.E. Lyubchenko
Dr. Sc. (Phys.-Math.), Professor, Head of the Laboratory,
Friazino Branch of V.A. Kotel’nikov Institute of Radioengineering and Electronics RAS
E-mail: lyubch@ire216.msk.su
D.V. Lioubtchenko
Ph.D. (Phys.-Math.), Senior Research Scientist, Royal Institute of Technology (Stockholm, Sweden)
E-mail: dml@kth.se