Geodesic
Highly accurate calculation of agular spheroidal functions
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 46 (2006) no. 1, pp. 12-17 Cet article a éte moissonné depuis la source Math-Net.Ru

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A new method for calculating the angular spheroidal functions of the first kind is proposed. The method is partly based on the known representations of these functions; however, some additional structures proposed in this work ensure efficient highly accurate calculation function values at a given point for a wide range of parameters. 
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A. A. Abramov; S. V. Kurochkin. Highly accurate calculation of agular spheroidal functions. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 46 (2006) no. 1, pp. 12-17. http://geodesic.mathdoc.fr/item/ZVMMF_2006_46_1_a2/

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