Riappo Yan Petrovych
30 March 1880 – 14 April 1958
- Biography
- Bibliography of his publications
- Bibliography of publications about his life and activity
- Photo gallery
- Perpetuation of his memory
- Full-text documents
30 March 2019 marked the 139th anniversary of the birth of Yan Petrovych Riappo.
Riappo Yan Petrovyc was a noted Ukrainian pedagogue, scientist, public figure,
