B. V. Novikov, E. A. Ubushiev, A. E. Cherednichenko, “Shallow center effect on exciton spectrum formation of $\mathrm{CdS}$ crystals at low temperatures”, Fizika Tverdogo Tela, 27:5 (1985), 1359–1363
Organisations
Leningrad State University named after A. A. Zhdanova