Methodes en theorie des champs : Methods in field theory / Roger Balian, Jean Zinn-Justin. Balian, Roger. ed. Zinn-Justin, Jean. ed. Field theory (Physics) Congresses. Renormalization (Physics) Congresses. 530.1 BAM Includes bibliographical references New York : World Scientific, 1981. 1981. 1981 Text xx, 386 p. : eng Les Houches ; session xxviii, 28 Juillet - 6 September 1975