TY - JOUR AU - Fang Duan AU - Qiongxiang Huang AU - Xueyi Huang TI - On graphs with exactly two positive eigenvalues JO - Ars Mathematica Contemporanea PY - 2019 SP - 319 EP - 347 VL - 17 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.1516.58f/ DO - 10.26493/1855-3974.1516.58f LA - en ID - 10_26493_1855_3974_1516_58f ER -