$1!6<':`!\(!1Ws - Voltaire; $1!1#'JE!G"!a\'\9'X2s ($1!0&!GW (B: s $1!0&!GW!0d!FM!3K!JH!Na(B, s, 1986)
Translation of: Lettres philosophiques.
Keywords: Dialectical materialism.Philosophy, Modern.Dialectical materialism