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The first Betti numbers of certain locally trivial fibre spaces
1972
Bulletin of the American Mathematical Society
Preserved Fulltext
We also show THEOREM 3. Fix p ^ 1. Then (p:E -> B,a C 3 map between arbitrary compact oriented Riemannian manifolds, commutes with the codifferential AM S 1970 subject classifications. Primary 55F05.
doi:10.1090/s0002-9904-1972-12911-2
fatcat:abzyl2belrdgdm75ycj7nrhg74