419617 SzGeCERN 2165734CERCER eng Wilson, K G The renormalization group and the $\epsilon$ expansion 1974 SzGeCERN General Theoretical Physics ARTICLE Kogut, J B 75-200 2 Phys. Rep. 12 1974 n 200052 13 20070320 2033 CER01 20000106 PUBLIC 002165734CER ARTICLE