For citations:
Pyataev M.A., Shorokhov A.V., Khvastunov N.N., Vlasov K.R., Krevchik V.D., Semenov M.B., Alekseev K.N., Kusmartsev F.V. Amplification of electromagnetic radiation in a superlattice placed in a tilted magnetic field. Nanosystems: Physics, Chemistry, Mathematics. 2017;8(6):717-722. https://doi.org/10.17586/2220-8054-2017-8-6-717-722