| Application, G. I. Marchuk->M. A. Lavrentiev for including in the USSR AS foreign trips schedule Ershov's trip to England for a tree-weeks period in the 4th quarter of 1976 at the expense of the receiving party
Justificationfor A.P. Ershov's scientific trip to England
Extract, 24.02.1976from the USSR AS foreign trips schedule on the goal, duration and financial conditions of A.P. Ershov's trip to England
Justificationfor A.P. Ershov's scientific trip to England
Letter, G. I. Marchuk->M. A. LavrentievThe USSR SBAS Computing Center submits for consideration the matter of sending the head of informatics department, corresponding member ofthe USSR AS A.P. Ershov on a scientific trip to England in October 1976, to attend the BCS award ceremony
Letter, A.P. Ershov->I. V. Plotinsky, 31.08.1976
Instrustions, M. A. Lavrentiev->A.P. Ershov...to A.P. Ershov regarding his trip to England
Letter, A.P. Ershov->I. I. Nedlin, 30.06.1976
Letter, A.P. Ershov->I. N. Konyshev, 22.07.1976
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