| Note, A.P. Ershov->R. Heller, 28.02.1986 acknowledging receipt of the letter of 03.12.85 and informing of discussion of the proposals with Acad. Koptiug
Letter, R. Heller->A.P. Ershov..., 30.10.1986
Report, 15.08.1986
Letter, R. Heller->V. A. Koptyug..., 15.08.1986
Letter, R. Heller->A.P. Ershov..., 15.08.1986
Letter, A.P. Ershov->R. Heller, 28.07.1986
Visit Programme, 16.06.1986
Visit Programme (project), 04.07.1986-16.07.1986
Covering letter, N. A. Kuzemo->A.P. Ershov, 16.06.1986
Letter, R. Heller->V. A. Koptyug, 18.03.1986
Vita, 18.09.1985
Vita, 18.09.1985
Justification, 02.12.1985
Visit Programme, 12.12.1985
Note, 14.01.1986
Notes
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