an:01080123
Zbl 0891.47040
Kulpa, Wladyslaw
The Poincar??-Miranda theorem
EN
Am. Math. Mon. 104, No. 6, 545-550 (1997).
00041108
1997
j
47H10 54H25
Poincar??'s higher-dimensional intermediate value theorem; Brouwer's fixed point theorem; Sperner's combinatorial lemma
The author makes some interesting remarks on Brouwer's fixed point theorem, Sperner's combinatorial lemma, and Poincar??'s ``higher-dimensional'' intermediate value theorem in their historical contexts.
J.Appell (W??rzburg)