%0 Journal Article %A Kumar, M.Senthil %A Arumuganathan, R. %T Performance analysis of an M/G/1 retrial queue with non-persistent calls, two phases of heterogeneous service and different vacation policies. %J International Journal of Open Problems in Computer Science and Mathematics. IJOPCM %D 2009 %P 196 %V 2 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IJOPCM_2009__2_2_222818/ %G en %F IJOPCM_2009__2_2_222818