## Le calcul différential dans les corps de caractéristique $$p > 0$$.(French)Zbl 0083.03303

Proc. Int. Congr. Math. 1954, Amsterdam 1, 240-252 (1957).
This is mainly an expository article. The purpose is to provide an introduction and motivation to certain topics in differential algebra which are as follows: derivations and semi-derivations; formal Lie groups and Lie hyperalgebras; homomorphisms and subgroups of formal Lie groups.
For the entire collection see [Zbl 0077.00303].

### MSC:

 12H05 Differential algebra 13N15 Derivations and commutative rings

### Keywords:

differential algebra; expository article