“…For (comments on) earlier partial results in the case τ = 2, see, for example, Chover, Ney and Wainger [6,7], Cline [8], Embrechts and Goldie [10], Foss and Korshunov [15], Pakes [19], Rogozin [20], Teugels [23] and further references therein. The proof of Theorem 3 follows from Lemmas 3 and 4 in Section 7.…”