TY - JOUR AU - Adam W. Marcus AU - Daniel A. Spielman AU - Nikhil Srivastava TI - Interlacing families I: Bipartite Ramanujan graphs of all degrees JO - Annals of mathematics PY - 2015 SP - 307 EP - 325 VL - 182 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4007/annals.2015.182.1.7/ DO - 10.4007/annals.2015.182.1.7 LA - en ID - 10_4007_annals_2015_182_1_7 ER -