Documents associated with Bulgarian Academy of Science

Letter, Organizing Committee->A.P. Ershov, 06.02.1967
Letter, L. Iliev->G. I. Marchuk, 05.09.1975
Review, 25.06.1976
Item 1. (Name does not exist in this language.)
Letter, A.P. Ershov->D. G. Skordev, 16.01.1978
Telegram, Kirillov->V. V. Pazelskiy, 07.02.1979
about invitation to Ershov and Pottosin; request to send the documents for exit permits
Letter, B. Sendov->A.P. Ershov, 10.05.1982
Item 6. (Name does not exist in this language.)
Decision, 08.11.1982
Letter, B. Sendov->A.P. Ershov, 27.04.1983
Proposals, 17.10.1983
Minutes, 08.07.1984
Letter, notification, B. Sendov->A.P. Ershov, 20.08.1984
Minutes, 23.08.1984-25.08.1984
Letter, L. Iliev->A.P. Ershov, 24.12.1984
Letter, enclosure, B. Gandjev->A.P. Ershov, 14.02.1985
Letter, A. L. Petrova->V. A. Koptyug, 09.03.1985
Program, 28.06.1985
Information letter, 11.01.1988

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