In the context of the present-day concepts formulated primarily by N.N
. Bogolyubov in 1946, the papers by L.D. Landau (1936 and 1946) and A.
A. Vlasov (1938), which laid the foundations of the kinetic theory of
a plasma regarded as a gas consisting of particles interacting via Cou
lomb forces, are discussed. The discussion between Landau and Vlasov t
hat took place in 1949 is apprised.