Books

		Christian Bär Lineare Algebra und analytische Geometrie Springer Spektrum, Wiesbaden 2018 ISBN 978-3-658-22619-0 Webpage at Springer Webpage at amazon Errata

		Christian Bär Elementare Differentialgeometrie de Gruyter Verlag, Berlin 2010 ISBN 978-3-11-022458-0 Webpage at de Gruyter Webpage at amazon

		Christian Bär Elementary Differential Geometry Cambridge University Press, Cambridge 2010 ISBN 978-0-521-89671-9 Hardcover ISBN 978-0-521-72149-3 Softcover Webpage at Cambridge University Press Webpage at amazon

		Christian Bär, Nicolas Ginoux, Frank Pfäffle Wave Equations on Lorentzian Manifolds and Quantization European Mathematical Society, Zürich 2007 ISBN 978-3-03719-037-1 Webpage at European Mathematical Society Publishing House Webpage at amazon Free download at arXiv

		Christian Bär, Klaus Fredenhagen (Eds.) Quantum Field Theory on Curved Spacetimes Springer, Berlin Heidelberg 2009 ISBN 978-3-642-02779-6 Webpage at Springer Webpage at amazon

		Christian Bär, Joachim Lohkamp, Matthias Schwarz (Eds.) Global Differential Geometry Springer, Berlin Heidelberg 2012 ISBN 978-3-642-22841-4 Webpage at Springer Webpage at amazon

		Christian Bär, Christian Becker Differential Characters Springer, Berlin Heidelberg 2014 ISBN 978-3-319-07033-9 Webpage at Springer Webpage at amazon