TY  - BOOK
AU  - Frhlich,A.(Albrecht)
TI  - Formal groups
T2  - Lecture notes in mathematics
PY  - 1968///
CY  - Berlin
PB  - Springer-Verlag
KW  - Rings (Algebra)
KW  - Groups, Formal
N1  - References : p. 139-140
ER  -