For citations:
Gololobov P.Yu., Pavlov G.S. Time course of semidiurnal variations in the intensity of cosmic rays according to the data of ground-based detectors for 1971-2021. Vestnik of North-Eastern Federal University. 2021;(6):14-23. (In Russ.) https://doi.org/10.25587/e8425-8852-9054-g