1.
Commutative formal groups. Berlin, Heidelberg, New York: Springer; 1975.
Commutative formal groups. Berlin, Heidelberg, New York : Springer, 20 mai 1975. ISBN 0-387-07145-8
Lazard Michel. (1975). Commutative formal groups. Springer.
MLA (8th ed.) CitationLazard Michel. Commutative Formal Groups. Springer, 1975.
Warning: These citations may not always be 100% accurate.