@article{TSG_1995-1996__14__105_0,
     author = {Valette, Alain},
     title = {An application of {Ramanujan} graphs to $C^\ast $-algebra tensor products, {II}},
     journal = {S\'eminaire de th\'eorie spectrale et g\'eom\'etrie},
     pages = {105--107},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {14},
     year = {1995-1996},
     mrnumber = {1721309},
     zbl = {1031.46501},
     language = {en},
     url = {http://www.numdam.org/item/TSG_1995-1996__14__105_0/}
}