TY - BOOK AU - Lazard,Michel TI - Commutative formal groups T2 - Lecture notes in mathematics ; 443 SN - 0387071458 U1 - 510 23 PY - 1975/// CY - Berlin, New York PB - Springer-Verlag KW - Formal groups KW - Categories (Mathematics) KW - Class field theory KW - Lie groups N1 - Bibliography: p. 231-232 and index ER -