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The maximum surplus before ruin in an Erlang(n) risk process and related problems
Li, Shuanming, (2006)
Finite time ruin problems for the Erlang(2) risk model
Dickson, David C.M., (2010)
The distributions of the time to reach a given level and the duration of negative surplus in the Erlang(2) risk model
Dickson, David C.M., (2013)