Template:Wallace1962
From Manifold Atlas
A. H. Wallace, Modifications and cobounding manifolds. III, J. Math. Mech. 11 (1962), 979–990. MR0145537 (26 #3068) Zbl 0116.40401
A. H. Wallace, Modifications and cobounding manifolds. III, J. Math. Mech. 11 (1962), 979–990. MR0145537 (26 #3068) Zbl 0116.40401