Volume 19 Volume 19, Issue 4, 137–181 Volume 19, Issue 3, 95–135 Volume 19, Issue 2, 47–94 Volume 19, Issue 1, 1–46
Volume 17 Volume 17, Issue 3, 189–249 Volume 17, Issue 2, 77–188 Volume 17, Issue 1, 1-75
[87] Originally published in Actes du Congrès International des Mathématiciens 1970, vol. 2, Gauthier-Villars, Paris (1971), 349–355. Reused with permission.
© Copyright 2018 Mathematical Sciences Publishers. All rights reserved.