00719naa#a2200169#i#4500001001600000005001700016011001400033100004100047102000700088200012300095210010900218215001000327608002700337675013000364700003500494856002000529EN\\bibl\11697820260319192630.4##a2712-7761##a20260226b2026####ek#y0engy0150####ca##aRU1#aFrom Professor D. P. Grigoriev’s archive: letters from Academicians N. V. Belov and A. V. ShubnikoveJournal article1#aSyktyvkarcFSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"d2026##a9 с.##aJournal article2local##aОбщие вопросы. 553.061aГеология. Геологические и геофизические науки. 55#1aVoytehovskiygYuri Leonidovich4#aras.editorum.ru