@article{10_4007_annals_2015_182_1_7,
     author = {Adam W. Marcus and Daniel A. Spielman and Nikhil Srivastava},
     title = {Interlacing families {I:} {Bipartite} {Ramanujan} graphs of all degrees},
     journal = {Annals of mathematics},
     pages = {307--325},
     publisher = {mathdoc},
     volume = {182},
     number = {1},
     year = {2015},
     doi = {10.4007/annals.2015.182.1.7},
     mrnumber = {3374962},
     zbl = {06456011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4007/annals.2015.182.1.7/}
}