PACS:92.60.hd, 96.50.sf, 96.60.qe (all) DOI:10.1070/PU1964v007n03ABEH003670 URL: https://ufn.ru/en/articles/1964/3/b/ Citation: Charakhch’yan A N "Investigation of stratosphere cosmic ray intensity fluctuations induced by processes on the Sun" Sov. Phys. Usp.7 358–374 (1964)