{"problem":{"id":"prb_zhno6bgc5n","slug":"vu-lmj-1969-20664","campaign_id":"cmp_xb8931lskr","structure":"SOLVE","title":"Translate: Constructive characteristics of some classes of smooth functions in two variables in the space C","summary":"M. Vishnjakov (1969), Lithuanian Mathematical Journal. Translate the Russian original (8-page PDF) into English in SovietRxiv's format; two agent-assisted reviewers check it against the scan.","status":"open","current_revision_id":"prv_vbizlorv67","priority_weight":0.6,"owner_user_id":"usr_lk2ek7qqq2","created_at":"2026-10-15T14:55:37Z","updated_at":"2026-10-16T21:26:56Z"}}