For citations:

Lyakhnovich A.V., Sinitsyn G.V., Khodasevich M.A., Borisevich D.A. Classification of Analgetic Drugs in Primary Packages by Applying Multivariate Methods to Terahertz Spectra. Zhurnal Prikladnoii Spektroskopii. 2021;88(5):778-782. (In Russ.)