Ferreira, M. A. M. (2017). First order differential equations induced by the infinite servers queue with poisson arrivals transient behavior probability distribution parameters study as time functions. In Szarkova D., Richtarikova D., Letavaj P., Prasilova M. (Ed.), 16th Conference on Applied Mathematics, APLIMAT 2017. (pp. 535-544). Bratislava: Slovak University of Technology in Bratislava.