1. In memory of Heinz Hopf

   • Beno Eckmann

   Announcement 01 September 1971 Pages: 1 - 7

2. Immersions of manifolds with non-negative sectional curvatures

   • M. do Carmo
   • E. Lima

   OriginalPaper 01 September 1971 Pages: 9 - 22

3. On isometric immersions of riemannian manifolds

   • Keti Tenenblat

   OriginalPaper 01 September 1971 Pages: 23 - 36

4. Steady motions of lagrangian systems

   • W. M. Oliva

   OriginalPaper 01 September 1971 Pages: 37 - 53

5. Composition of contractions

   • R. F. Williams

   OriginalPaper 01 September 1971 Pages: 55 - 59

6. Compact riemann surfaces with prescribed ramifications and Puiseux series

   • Otto Endler

   OriginalPaper 01 September 1971 Pages: 61 - 64

7. A note on random sums

   • Pedro Jesus Fernández

   BriefCommunication 01 September 1971 Pages: 65 - 66

8. Some problems of conteporary university education

   • Peter Hilton

   OriginalPaper 01 September 1971 Pages: 67 - 75

9. The elements of integration

   • Pedro Nowosad

   Resenhas de livros 01 September 1971 Pages: 77 - 79

10. 8.° Colóquio brasileiro de matemática

    Notas e informações 01 September 1971 Pages: 81 - 83

11. Eleições na sociedade

    Report 01 September 1971 Pages: 84 - 84

12. Reuniões da sociedade

    Report 01 September 1971 Pages: 85 - 86