Geodesic
Exact Asymptotics of Laplace Integrals for Nonsmooth Functions
Matematičeskie zametki, Tome 73 (2003) no. 6, pp. 886-890.

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In this paper, we calculate the exact asymptotics with remainder of integrals of Laplace type in an arbitrary space, without imposing any constraints on the smoothness of the functions. As a special case, we derive the classical Laplace formula. Some examples are given. 
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E. I. Ostrovskii. Exact Asymptotics of Laplace Integrals for Nonsmooth Functions. Matematičeskie zametki, Tome 73 (2003) no. 6, pp. 886-890. http://geodesic.mathdoc.fr/item/MZM_2003_73_6_a9/

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