30-Oct-78, V.S. Kruskal.
13-Nov-78, A.M. Polyakov.
20-Nov-78, A.S. Schwarz.
27-Nov-78, V.E. Zakharov.
4-Dec-78, Alain Guichardet.
YEAR 1979, -. YEAR 1979
12-Feb-79, I.M. Gelfand.
12-Feb-79, A.A. Belavin.
19-Feb-79, A.A. Belavin.
26-Feb-79, S.I. Gelfand.
26-Feb-79, A.A. Beilinson.
5-Mar-78, D.B. Fuchs.
19-Mar-79, V.I. Ogievetskii.
26-Mar-79, D.R. Lebedev.
2-Apr-79, G.B. Shabat.