Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Integrals of Bessel functions   We use the operator method to evaluate a class of integrals involving Bessel
or Bessel-type functions. The technique we propose is based on the formal
reduction of these family of functions to Gaussians.

23
The categories of this paper are: solv-int
15
The categories of this paper are: nucl-ex
8
The categories of this paper are: hep-ex
26
The categories of this paper are: bayes-an
7
The categories of this paper are: hep-th
12
The categories of this paper are: nucl-th
16
The categories of this paper are: stat
29
The categories of this paper are: funct-an
32
The categories of this paper are: atom-ph
22
The categories of this paper are: chao-dyn
19
The categories of this paper are: eess
18
The categories of this paper are: econ
27
The categories of this paper are: comp-gas
10
The categories of this paper are: q-bio
13
The categories of this paper are: quant-ph
11
The categories of this paper are: hep-lat