Heavy-ion double charge exchange reactions: A tool toward nuclear matrix elementsF. Cappuzzello, M. Cavallaro, C. Agodi, M. Bondì, D. Carbone, A. Cunsolo and A. FotiEur. Phys. J. A, 51 11 (2015) 145DOI: https://doi.org/10.1140/epja/i2015-15145-5