Lagutin A, Plachinda S, Shakhovskoi D, Nekhai E, Baklanova D, Petrov P. Echelle spectrograph at the 2.6 m Shajn telescope. Acta Astrophys. Tau. 2020;1(1):33-38. doi:10.31059/aat.vol1.iss1.pp33-38