Reprint of the article "On the 50th birthday anniversary of the corresponding member of the USSR Academy of Sciences A.P. Ershov". (With a hand-written Ershov's marginal explanatory remark addressed to his mother.) Date: 01.04.1981 Article names: "К пятидесятилетию члена-корреспондента АН СССР А.П. Ершова" Original document language: Russian Organizations: Editorial Board of the Siberian Mathematical Journal Persons: Andrei Petrovich Ershov
