00591naa#a2200157#i#4500001001500000005001700015011001400032100004100046102000700087200014900094210010900243215001000352608002700362700002100389856002300410EN\\bibl\5266420251219010358.5##a2712-7761##a20220908b2022####ek#y0engy0150####ca##aRU1#aContribution of Professor A. A. Chernov to the study of karst phenomena (on the occasion of the 145th anniversary of the birth)eJournal article1#aSyktyvkarcFSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"d2022##a2 с.##aJournal article2local#1aAstakhovagI. S.4#akomisc.editorum.ru