%0 Journal Article %T Further Research on the M/G/1 Retrial Queueing Model with Server Breakdowns %A Ehmet Kasim %A Geni Gupur %J Journal of Applied Mathematics %D 2012 %I Hindawi Publishing Corporation %R 10.1155/2012/890243 %X We study spectral properties of the operator which corresponds to the M/G/1 retrial queueing model with server breakdowns and obtain that all points on the imaginary axis except zero belong to the resolvent set of the operator and 0 is not an eigenvalue of the operator. Our results show that the time-dependent solution of the model is probably strongly asymptotically stable. %U http://www.hindawi.com/journals/jam/2012/890243/