Geodesic
Cobordisms of finite quadratic forms and glueing of oriented manifolds
Zapiski Nauchnykh Seminarov POMI, Investigations in topology. Part 7, Tome 208 (1993), pp. 115-132

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We develop some discriminant form techniques using which we describe the intersection form of a $4k$-manifold glued from two other manifolds. The description uses the notion of fusion of finite forms introduced in the paper. It is closely connected with a more familiar notion of cobordism of such forms. Bibliography: 12 titles. 
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     author = {O. A. Ivanov and N. Yu. Netsvetaev},
     title = {Cobordisms of finite quadratic forms and glueing of oriented manifolds},
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     url = {http://geodesic.mathdoc.fr/item/ZNSL_1993_208_a5/}
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O. A. Ivanov; N. Yu. Netsvetaev. Cobordisms of finite quadratic forms and glueing of oriented manifolds. Zapiski Nauchnykh Seminarov POMI, Investigations in topology. Part 7, Tome 208 (1993), pp. 115-132. http://geodesic.mathdoc.fr/item/ZNSL_1993_208_a5/