by Ovchinnikov, A.A., Onishchuk, V.A.
Published in Theoretical and mathematical physics (01.03.1989)

by Volosyuk, V.K., Kravchenko, V.F., Sokolnikov, A.V., Gorbunenko, O.A., Onishchuk, V.A., Velasco Hererra, V.M.
Published in Third International Kharkov Symposium 'Physics and Engineering of Millimeter and Submillimeter Waves'. MSMW'98. Symposium Proceedings (Cat. No.98EX119) (1998)