| Postcard, Unknown Author->A.P. Ershov, 14.01.1985 Congratulations with the Academic status
Postcard, V. B. Borschev->A.P. Ershov, 14.01.1985Congratulations, New Year greetings and best wishes
Postcard, A. A. Letichevsky->A.P. Ershov, 14.01.1985Congratulations, New Year greetings and best wishes
Postcard, N. A. Lyapunova->A.P. Ershov, 14.01.1985Congratulations, New Year greetings and best wishes to Ershov and his family
Postcard, Ya. I. Fet->A.P. Ershov, 14.01.1985Congratulations, New Year greetings and best wishes to Ershov and family
Postcard, M. K. Fage->A.P. Ershov, 12.01.1985Congratulations from Fage family
Postcard, Yu. V. Kapitonova ->A.P. Ershov, 12.01.1985Sincere congratulations and New Year greetings to Ershov and family
Postcard, 12.01.1985New Year 1985 greetings from the USSR State Committe on Science and Technology
Letter, A. K. Romanov->A.P. Ershov, 03.01.1985Congratulations with new status, New Year greetings and best wishes
Postcard, O. B. Lupanov->A.P. Ershov, 15.01.1985Congratulations, New Year greetings and best wishes
Postcard, Yu. D. Apresyan->A.P. Ershov, 15.01.1985Congratulations and New Year greetings from the staff of Informelectro
Letter, Yu. V. Chuev->A.P. Ershov, 15.01.1985Congratulations from the Section of Applied Problems of the Presidium of the USSR AS
Postcard, Yu. M. Bayakovsky->A.P. Ershov, 15.01.1985Congratulations and New Year greetings
Postcard, Unknown Author->A.P. Ershov, 15.01.1985Congratulations, New Year greetings and best wishes
Postcard, Y. M. Davydov->A.P. Ershov, 30.12.1984Congratulations, New Year greetings and best wishes
Letter, Yu. A. Avdeev->A.P. Ershov, 31.12.1984Congratulations and best wishes
Letter, N. N. Krasovsky->A.P. Ershov, 15.01.1985Congratulations and best wishes from the staff of the Institute of Mathematics of Ural Scientific center
Letter, I.M. Makarov->A.P. Ershov, 29.12.1984Congratulations and best wishes
Postcard, A. S. Kleschev->A.P. Ershov, 15.01.1985Warm greetings and best wishes
Postcard, Unknown Author->A.P. Ershov, 15.01.1985Congratulations, New Year greetings and best wishes
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