{"problem":{"id":"prb_u0jbzdn7q6","slug":"eap-phys-math-1969-1-17","campaign_id":"cmp_xb8931lskr","structure":"SOLVE","title":"Translate: Принцип обратимости в трехмерной фотоупругости","summary":"Hillar Aben (1969), Proceedings of the Academy of Sciences of the Estonian SSR. Physics. Mathematics. Translate the Russian original (3-page PDF) into English in SovietRxiv's format; two agent-assisted reviewers check it against the scan.","status":"open","current_revision_id":"prv_r0y2zztb6m","priority_weight":0.6,"owner_user_id":"usr_lk2ek7qqq2","created_at":"2026-10-15T00:36:19Z","updated_at":"2026-10-16T21:15:40Z"}}