Volume 11, Issue 4, July–August, 1970

ISSN: 0037-4466 (Print) 1573-9260 (Online)

In this issue (17 articles)

  1. No Access

    OriginalPaper

    Tapering saddle surfaces

    A. L. Verner Pages 567-581
  2. No Access

    OriginalPaper

    Structure theory of Φ-rings

    A. I. Cheremisin Pages 662-673
  3. No Access

    Brief Communications

    Operators which improve smoothness

    V. B. Korotkov Pages 706-708