For citations:

Frolovtsev D.N., Magnitskiy S.A., Demin A.V. Quantum tomograph for measurement and characterization of quantum states of biphoton sources. Izmeritel`naya Tekhnika. 2020;(4):20-26. (In Russ.) https://doi.org/10.32446/0368-1025it.2020-4-20-26