Adhesion-induced fingering instability in thin elastic films under strain Benjamin Davis-Purcell, Pierre Soulard, Thomas Salez, Elie Raphaël and Kari Dalnoki-Veress Eur. Phys. J. E, 41 3 (2018) 36 Published online: 22 March 2018 DOI: 10.1140/epje/i2018-11643-6