A simple analysis of system characteristics in the batch service queue with infinite-buffer and Markovian service process using the roots method: GI/C-MSP(a,b)/ 1 / ∞M. L. Chaudhry, A. D. Banik, A. Pacheco and Souvik GhoshRAIRO-Oper. Res., 50 3 (2016) 519-551DOI: https://doi.org/10.1051/ro/2015035