Vol. 40, No. 3, 1972

Download this article
Download this article. For screen
For printing
Recent Issues
Vol. 331: 1
Vol. 330: 1  2
Vol. 329: 1  2
Vol. 328: 1  2
Vol. 327: 1  2
Vol. 326: 1  2
Vol. 325: 1  2
Vol. 324: 1  2
Online Archive
Volume:
Issue:
     
The Journal
About the journal
Ethics and policies
Peer-review process
 
Submission guidelines
Submission form
Editorial board
Officers
 
Subscriptions
 
ISSN 1945-5844 (electronic)
ISSN 0030-8730 (print)
 
Special Issues
Author index
To appear
 
Other MSP journals
On Ptak’s combinatorial lemma

Stephen Simons

Vol. 40 (1972), No. 3, 719–721
Abstract

A new proof of Ptak’s combinatorial lemma on the existence of convex means, is given.

Mathematical Subject Classification
Primary: 46A05
Milestones
Received: 28 January 1971
Published: 1 March 1972
Authors
Stephen Simons