### Some later works

#### Works connected to ~~Raymond O'Neil Wells, Jr~~

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New invariants of 3- and 4-dimensional manifolds,”
pp. 285–299
in
The mathematical heritage of Hermann Weyl
(Durham, NC, 12–16 May 1987).
Edited by R. O. Wells, Jr.
Proceedings of Symposia in Pure Mathematics 48.
American Mathematical Society (Providence, RI),
1988.
Russian translation published in *Uspekhi Mat. Nauk* **45**:4(274) (1990).
MR
974342
Zbl
0667.57018
incollection