Media type: E-Article Title: A Morse–Smale index theorem for indefinite elliptic systems and bifurcation Contributor: Portaluri, Alessandro; Waterstraat, Nils imprint: Elsevier BV, 2015 Published in: Journal of Differential Equations Language: English DOI: 10.1016/j.jde.2014.11.010 ISSN: 0022-0396 Keywords: Analysis ; Applied Mathematics Origination: Footnote: Access State: Open Access