TY - JOUR AU - Dragoš Cvetković TI - Spectra Of Graphs Formed By Some Unary Operations JO - Publications de l'Institut Mathématique PY - 1975 SP - 37 VL - _N_S_19 IS - 33 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PIM_1975_N_S_19_33_a5/ ID - PIM_1975_N_S_19_33_a5 ER -