TY - JOUR AU - Dragoš Cvetković TI - On Graphs Whose Second Largest Eigenvalue Does Not Exceed 1 JO - Publications de l'Institut Mathématique PY - 1982 SP - 15 VL - _N_S_31 IS - 45 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PIM_1982_N_S_31_45_a2/ ID - PIM_1982_N_S_31_45_a2 ER -