1973
Mathematics , AlgebraConnections, curvature and cohomology. Volume 2, Lie groups, principal bundles and characteristic classes
Free Download- Mathematics , Algebra
Connections, curvature, and cohomology. V.2. Lie groups, principal bundles, characteristic classes (PAM047-II, AP 1973)
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Physics , Theory of Relativity and GravitationDual models and relativistic quantum strings
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