Form, 13.01.1976 to be filled as part of drawing a scientific collaboration plan
Invitation Card, 22.05.1978to the meeting with the president of Mexico Jose Lopez Portillo at the House of Scientists
Letter, G. R. Kontarev->A.P. Ershov
List, 01.10.1983(?)of names and addreses
Notewith reminder to submit scientific collaboration reports in time
Note, Unknown Author->A.P. Ershov, 13.03.1978handwritten, author unknown
Picture, 01.10.1983(?)SLR-diagram illustrating some paper
Initial order | In alphabetical order | By date |