33 Special functions
33Bxx Elementary classical functions
33B20 Incomplete beta and gamma functions (error functions, probability integral, Fresnel integrals) (2 articles)
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Fisher, Brian; Jolevska-Tuneska, Biljana; Takači, Arpad:
On the incomplete gamma function and the neutrix convolution.
(English).
Mathematica Bohemica,
vol. 128
(2003),
issue 4,
pp. 367-377
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Tauber, Alfred:
Über ein Problem der Näherungsrechnung und die Makeham'schen Rentenwerte.
(German) [On a problem of approximate calculation and Makeham's fixed income].
Aktuárské vědy,
vol. 1
(1930),
issue 2,
pp. 49-61