A.P.Ershov contributed to the Russian terminology of ALGOL 60 and to the Russian translation of the Report on this language. Designing the ALPHA input language closely followed final elaboration of ALGOL 60.

During elaboration of the ALGOL 68 A.P.Ershov and his colleagues took active part in international exchange on this subject. He guided translation into Russian of the Report and later of the Revised Report on the language. He headed Soviet national Commission and Working Group on ALGOL 68.